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Contents
- The climate of Guánica
- The best time to visit Guánica
- The worst time to visit Guánica
- Spring weather in Guánica
- Summer weather in Guánica
- Autumn weather in Guánica
- Winter weather in Guánica
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The climate of Guánica
Dominating the climatological framework of Guánica, Puerto Rico, is the Köppen climate classification of Aw, best described as a Tropical wet and dry or Savanna type of climate. Situated conveniently along geographical coordinates that equate to a tropical paradise, Guánica possesses a characteristically hot and humid climate, noticeable throughout the year, liberally coated with a mix of wet and dry periods. Thus, it offers a coveted kind of tropical consistency, encapsulating the beauty of the Caribbean seasons in their truest form.
Evaluating the climatological parameters, a certain degree of cyclicality invades the temperature range throughout the year. Comparable variations can be observed from a high of 86.5°F (30.3°C) in August to a lower spectrum around the 81.9°F (27.7°C) mark in January. A similar pattern exists within the relative humidity parameters as it wavers predominantly between 75% and 80% year-round.
Remarkably, the maximum rainfall quantity accumulates in September, reaching 3.58" (91mm) with close to 22 days of rainfall. The flip-side of this climatic coin is January, reserved as the month with the least amount of precipitation at 0.71" (18mm), offering only approximately 16 days of rainfall. Another interesting pattern takes dominance in the sea temperature as it peaks at 85°F (29.4°C) in September and slides to its relative low of 79.1°F (26.2°C) in February.
Evaluating the climatological parameters, a certain degree of cyclicality invades the temperature range throughout the year. Comparable variations can be observed from a high of 86.5°F (30.3°C) in August to a lower spectrum around the 81.9°F (27.7°C) mark in January. A similar pattern exists within the relative humidity parameters as it wavers predominantly between 75% and 80% year-round.
Remarkably, the maximum rainfall quantity accumulates in September, reaching 3.58" (91mm) with close to 22 days of rainfall. The flip-side of this climatic coin is January, reserved as the month with the least amount of precipitation at 0.71" (18mm), offering only approximately 16 days of rainfall. Another interesting pattern takes dominance in the sea temperature as it peaks at 85°F (29.4°C) in September and slides to its relative low of 79.1°F (26.2°C) in February.
The best time to visit Guánica
Taking into consideration the weather parameters laid bare for this tropical paradise, the month of April is often deemed as the most favorable period for a visit. During this month, the rainfall is relatively low at 1.34" (34mm), amid an inviting sea temperature at 80.4°F (26.9°C) and a pleasurable high temperature of 83.7°F (28.7°C). To add to this appealing climate mix, over 12.6 hours of daylight can be enjoyed in April, offering extensive opportunities to soak in the Sun and the alluring setting of Guánica.
The worst time to visit Guánica
Unfortunately, every desirable climate has its downside. For Guánica, this unfavorable period coincides with the increased rainfall witnessed in September, grappling with 3.58" (91mm), and 21 days of rainfall. Despite the sea temperature hitting a high note at 85°F (29.4°C) and the relative temperature remaining quite agreeable, the increased chance of rainfall can obstruct outdoor activities and slightly dampen the otherwise intoxicating tropical vibe.
Spring weather in Guánica
Springtime in Guánica spells a mixture of warm temperatures and increasing rainfall, heralding the onset of the wetter months. March, April, and May witness an incremental increase in rainfall from 1.46" (37mm) to 2.05" (52mm). However, being nestled within a tropical climate zone, Guánica weather continues to enjoy high temperatures between 82.4°F (28°C) to 84.7°F (29.3°C) and the invitingly warm sea temperatures ranging from 79.3°F (26.3°C) to 81.5°F (27.5°C).
Summer weather in Guánica
The scorching summer months of June, July, and August see a steady increase in both sea and atmospheric temperatures. Witness the mercury soar to a peak of 86.5°F (30.3°C) in August, perfectly paired with the sea temperature climbing to 84.5°F (29.2°C). Although the rainfall does increase to an average of 2.27" (58mm) during this time, the extended daylight hours, reaching up to 13.2 hours in June, provide ample opportunity for sun-soaked activities.
Autumn weather in Guánica
Connoting the transition from the hot summer to the relative cool of winter, Autumn signals a minor reduction in temperature and an increase in rainfall. Guánica experiences temperatures from 86.2°F (30.1°C) in September to 83.8°F (28.8°C) in November, while rainfall peaks at 3.58" (91mm) in September and inches downwards to 2.48" (63mm) by November.
Winter weather in Guánica
Winter in Guánica is a far cry from the frost-filled visuals the term usually conjures. Instead, December, January, and February experience reasonable temperatures fluctuating from 82.4°F (28°C) to 81.9°F (27.7°C). The blessing of this season is the relatively lower rainfall levels, reaching a year-low of 0.71" (18mm) in January, proving this season the island's dry period. The sea temperature retains a sense of warmth ranging from 80°F (26.7°C) to 79.1°F (26.2°C), maintaining the balmy holiday essence of Guánica.
Weather in January
The first month of the year in Guánica, Puerto Rico, begins the dry season with manageable rainfall and overall pleasant temperatures. Evenings here are comfortable with the lowest temperature dipping no lower than 72°F (22.2°C). Weather in January »
Weather in February
Weather in Guánica remains relatively consistent in February, with only a slight decrease in the lowest temperature as compared to January. February provides the opportunity for long walks under the sun with 11.6 hours of daylight being available daily. Weather in February »
Weather in March
March experiences an increment in rainfall amounts from February, marking a slight increase in the humidity level. It offers a welcome change to the dry spells of the previous two months. Nonetheless, the mean highest and lowest temperatures remain pleasantly steady, indicating comfortable climatic conditions throughout March. Weather in March »
Weather in April
April in Guánica, Puerto Rico brings a noticeable increase in rain and humidity, subtly hinting at the impending wet season. These showers, coupled with consistently balmy temperatures, foster lush, vibrant vegetation, adding vivid colors to the scenic beauty. Weather in April »
Weather in May
As the gateway to the wet season, May sees a substantial increase in rainfall frequency compared to the previous months. This uptick in rainfall days makes it the wettest month so far in the year, turning Guánica into a lush tropical paradise. Weather in May »
Weather in June
June’s weather in Puerto Rico indicates the official commencement of the wet season, typified by heavy but short-lived showers interspersed with sunny intervals. Though June sees an elevation in temperatures, it also brings an increase in daylight and sunshine hours, making for a balanced and pleasant atmosphere. Weather in June »
Weather in July
July, positioned mid-year, continues with the wet season characteristics, evident in high rainfall figures and peak temperatures. With a peak high temperature of 86.4°F (30.2°C), it joins the warmest months of the year. Though one might expect the showers to put a damper on outdoor activities, the reality is that the rain often enhances the beauty of Guánica's natural reserves and creates unique sights. Weather in July »
Weather in August
August carries on the wet season trend with abundant rain showers and continued warm temperatures. Its elevated sea temperature of 84.5°F (29.2°C) provides the warmest seawater conditions of the year, making beaches more attractive to visitors. Weather in August »
Weather in September
As the year moves towards the end, September brings the highest rainfall measures of the year, rendering it the wettest month. The lush vegetation coupled with warm sea temperatures makes the beaches incredibly alluring. Evenings are similarly appealing with an average low temperature of 76.5°F (24.7°C), paving the way for comfortable nights. Weather in September »
Weather in October
October, while carrying over the climatic tendencies of September, shows a slight decrement in rainfall, presenting drier conditions. Yet, the inviting seawater temperature remains constant, making beachside activities and water sports viable options for holiday activities. Weather in October »
Weather in November
November sees a gradual shift in Guánica's climate with reduced rainfall, signaling the transitioning phase towards the dry season. The pleasant weather conditions coupled with cooler sea temperatures offers a unique blend of sights and experiences for both adventure enthusiasts and leisure travelers. Weather in November »
Weather in December
The last month of the year, December, is characterized by further reduction in rainfall amounts, marking the onset of the dry season properly. With the reduction in rain and humidity compared to the wet season months, December sees a transformation in the landscape of Guánica, allowing for varied experiences. Weather in December »
Updated: Jul 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
January tends to be the coldest month, with temperatures averaging a daily high of 81.9°F (27.7°C) and a low of 72°F (22.2°C).
What is the driest month?
The month with the least rainfall is January, when the rain falls for 15.6 days and typically collects 0.71" (18mm) of precipitation.
How many days does it rain in Guánica?
Throughout the year, there are 224.9 rainfall days, and 23.58" (599mm) of precipitation is accumulated.
When it does not snow?
In Guánica, Puerto Rico, snow does not fall in January through August, October through December.
How many days does it snow?
Throughout the year, there are 0.1 snowfall days.
When is the lowest UV index?
January through March, November and December, with an average maximum UV index of 6, are months with the lowest UV index.
What is the month with the coldest ocean?
With an average ocean temperature of 79.2°F (26.2°C), February is the month with the coldest seawater.
What is the least humid month?
March is the least humid month in Guánica, with an average relative humidity of 75%.
When is the highest UV index?
April through October, with an average maximum UV index of 7, are months with the highest UV index.
When are the longest days?
With an average of 13h and 12min of daylight, June has the longest days of the year.
What month has the most sunshine?
The month with the most sunshine is June, with an average of 11.3h of sunshine.
What is the hottest time of year?
August tends to be the warmest month, with temperatures averaging a daily high of 86.5°F (30.3°C) and a low of 76.6°F (24.8°C).
What is the wettest month?
The month with the most rainfall is September, when the rain falls for 20.9 days and typically aggregates up to 3.58" (91mm) of precipitation.
When does it snow?
September is the only month when snow falls.
When does it snow the most?
The month with the most snowfall days is September, when snow falls for 0.1 days.
When is the ocean warmest?
The month with the warmest seawater is September, with an average ocean temperature of 84.9°F (29.4°C).
What is the most humid month?
The most humid month is November, with an average relative humidity of 80%.
What is the month with the least sunshine?
With an average of 7.1h of sunshine, November has the least sunshine of the year.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 11h and 6min of daylight.
Is there Daylight Saving Time (DST)?
Guánica does not observe Daylight Saving Time (DST). AST timezone is used over the entire year.
Average temperature
Guánica, PR
The warmest month (with the highest average high temperature) is August (86.5°F).
The month with the lowest average high temperature is January (81.9°F).
The months with the highest average low temperature are July, August and October (76.6°F).
The coldest month (with the lowest average low temperature) is March (71.4°F).
Average pressure
Guánica, PR
- Average pressure in January:
30.01"Hg - Average pressure in February:
30.01"Hg - Average pressure in March:
30"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
30"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
29.92"Hg - Average pressure in October:
29.89"Hg - Average pressure in November:
29.9"Hg - Average pressure in December:
29.97"Hg
The months with the highest atmospheric pressure are January and February (30.01"Hg).
The month with the lowest atmospheric pressure is October (29.89"Hg).
Average wind speed
Guánica, PR
- Average wind speed in January:
7mph - Average wind speed in February:
7.1mph - Average wind speed in March:
6.8mph - Average wind speed in April:
7mph - Average wind speed in May:
7.2mph - Average wind speed in June:
7.7mph
- Average wind speed in July:
8mph - Average wind speed in August:
7.5mph - Average wind speed in September:
6.2mph - Average wind speed in October:
5.8mph - Average wind speed in November:
5.6mph - Average wind speed in December:
6.7mph
The windiest month (with the highest average wind speed) is July (8mph).
The calmest month (with the lowest average wind speed) is November (5.6mph).
Average humidity
Guánica, PR
The month with the highest relative humidity is November (80%).
The month with the lowest relative humidity is March (75%).
Average rainfall
Guánica, PR
- Average rainfall in January:
0.71" - Average rainfall in February:
0.83" - Average rainfall in March:
1.46" - Average rainfall in April:
1.34" - Average rainfall in May:
2.05" - Average rainfall in June:
1.5"
- Average rainfall in July:
2.2" - Average rainfall in August:
3.11" - Average rainfall in September:
3.58" - Average rainfall in October:
3.11" - Average rainfall in November:
2.48" - Average rainfall in December:
1.22"
The wettest month (with the highest rainfall) is September (3.58").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days
Guánica, PR
- Average rainfall days in January:
15.6 days - Average rainfall days in February:
14.8 days - Average rainfall days in March:
18.4 days - Average rainfall days in April:
19.3 days - Average rainfall days in May:
21.6 days - Average rainfall days in June:
15.1 days
- Average rainfall days in July:
18.3 days - Average rainfall days in August:
20.2 days - Average rainfall days in September:
20.9 days - Average rainfall days in October:
21.9 days - Average rainfall days in November:
22.5 days - Average rainfall days in December:
16.3 days
The month with the highest number of rainy days is November (22.5 days).
The month with the least rainy days is February (14.8 days).
Average snowfall days
Guánica, PR
- Average snowfall days in January:
0 days - Average snowfall days in February:
0 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.1 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0 days
The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).
Average sea temperature
Guánica, PR
The best month for swimming (with the highest average sea temperature) is September (85°F).
The coldest month (with the lowest average sea temperature) is February (79.1°F).
Average daylight / Average sunshine
Guánica, PR
- Average daylight in January:
11h and 1min - Average daylight in February:
11h and 4min - Average daylight in March:
12h and 1min - Average daylight in April:
12h and 4min - Average daylight in May:
13h and 0min - Average daylight in June:
13h and 1min
- Average daylight in July:
13h and 1min - Average daylight in August:
12h and 4min - Average daylight in September:
12h and 1min - Average daylight in October:
11h and 4min - Average daylight in November:
11h and 2min - Average daylight in December:
11h and 1min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in January:
9h and 2min - Average sunshine in February:
9h and 1min - Average sunshine in March:
8h and 4min - Average sunshine in April:
9h and 0min - Average sunshine in May:
10h and 4min - Average sunshine in June:
11h and 2min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 0min - Average sunshine in September:
9h and 2min - Average sunshine in October:
8h and 3min - Average sunshine in November:
7h and 1min - Average sunshine in December:
7h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The month with the least sunshine is November (Average sunshine: 7h and 6min).
Average sunshine days
Guánica, PR
- Average sunshine days in January:
10.8 days - Average sunshine days in February:
9.4 days - Average sunshine days in March:
9.2 days - Average sunshine days in April:
7.6 days - Average sunshine days in May:
7.3 days - Average sunshine days in June:
12.2 days
- Average sunshine days in July:
10.1 days - Average sunshine days in August:
7.7 days - Average sunshine days in September:
6.6 days - Average sunshine days in October:
6.3 days - Average sunshine days in November:
5.1 days - Average sunshine days in December:
9.4 days
The month with the most sunshine days is June (12.2 days).
The month with the least sunshine days is November (5.1 days).
Average UV index
Guánica, PR
The months with the highest UV index are April, May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 6).
Average cloud cover
Guánica, PR
The month with the most cloud cover is May (Cloud cover 30).
The months with the least cloud cover are January and February (Cloud cover 22).
Average visibility
Guánica, PR
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Guánica, Puerto Rico, USA
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