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Contents
- The climate of Midway Atoll
- The best time to visit Midway Atoll
- The worst time to visit Midway Atoll
- Spring weather in Midway Atoll
- Summer weather in Midway Atoll
- Autumn weather in Midway Atoll
- Winter weather in Midway Atoll
- 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 rainfall
- Average rainfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average UV index
The climate of Midway Atoll
Located in the North Pacific Ocean, Midway Atoll experiences a Tropical monsoon climate, as per the Köppen climate classification. The island's geographical features heavily influence the weather patterns, resulting in relatively stable climatic conditions throughout the year. The average high temperature confines from 70°F (21.1°C) at the start of the year and slowly climbs to peak at 84°F (28.9°C) between July to September. It then begins to decline to around 73°F (22.8°C) by December. The average low temperature, on the other hand, remains between 62°F (16.7°C) to 75°F (23.9°C), indicating the tropical warmth that engulfs the island.
Rainfall in Midway Atoll seems to be well distributed through the year. The annual precipitation measurement ranges from 2.2" (56mm) to 5" (127mm), with February and December experiencing the highest rainfall, respectively. Days with rainfall are relatively consistent, oscillating between 9 to 16 days a month. Sea temperatures vary from 68°F (20°C) to 81°F (27.2°C), offering excellent conditions for marine activities.
Daylight hours extend from 10.4 hours in December to 13.9 hours in June. The island also enjoys ample sunshine, with an average duration varying from 14 hours to a maximum of 18 hours a day. The UV index ranges from 5 in January to 11 in the peak summer months of June, July, and August, signifying the need for adequate sun protection.
Rainfall in Midway Atoll seems to be well distributed through the year. The annual precipitation measurement ranges from 2.2" (56mm) to 5" (127mm), with February and December experiencing the highest rainfall, respectively. Days with rainfall are relatively consistent, oscillating between 9 to 16 days a month. Sea temperatures vary from 68°F (20°C) to 81°F (27.2°C), offering excellent conditions for marine activities.
Daylight hours extend from 10.4 hours in December to 13.9 hours in June. The island also enjoys ample sunshine, with an average duration varying from 14 hours to a maximum of 18 hours a day. The UV index ranges from 5 in January to 11 in the peak summer months of June, July, and August, signifying the need for adequate sun protection.
The best time to visit Midway Atoll
Visitors planning to visit Midway Atoll would find conditions most favorable between April and June. During these months, the high temperature averages around 72°F (22.2°C) to 81°F (27.2°C), and the low temperatures hover between 64°F (17.8°C) to 73°F (22.8°C). A moderate amount of rainfall of about 2.5" (64mm) is experienced in April, which further reduces to 2.2" (56mm) in June. During these months, the average sea temperature escalates from 70°F (21.1°C) to 75°F (23.9°C), providing excellent conditions for water-based leisure activities. With daylight hours peaking at around 13.6 hours to 13.9 hours and sunshine duration around 16 to 17 hours a day, these months offer ample opportunities for outdoor explorations.
The worst time to visit Midway Atoll
Despite the relatively stable tropical climate, Midway Atoll's weather conditions might not be as pleasant in February and December. During these months, the island experiences the most rainfall, approximately 5" (127mm) and 4.1" (104mm), respectively, alongside 14 to 16 rainy days. The high temperatures average around 70°F (21.1°C) in February and 73°F (22.8°C) in December, with low temperatures around 62°F (16.7°C), indicating comparatively more cooling conditions. Furthermore, daylight hours are at their shortest, with 10.6 hours in February and 10.4 hours in December. Although sea temperatures vary from 68°F (20°C) in February to 72°F (22.2°C) in December, reduced daylight and sunshine hours, coupled with increased rainfall, may limit outdoor activities and water sports.
Spring weather in Midway Atoll
Midway Atoll begins to offer pleasant climatic conditions in Spring (March through May). High temperatures start to rise from 71°F (21.7°C) in March and reach 76°F (24.4°C) in May, while low temperatures increase from 63°F (17.2°C), peaking at 68°F (20°C) in May. Rainfall decreases substantially from March's 3" (76mm) to May's 2.3" (58mm), alongside a reduced number of rainy days. Sea temperatures also see a gradual rise from 68°F (20°C) to 72°F (22.2°C) during this period.
Summer weather in Midway Atoll
The Summer season (from June to August) is characterized by the highest temperatures and sea temperatures experienced in Midway Atoll. High temperatures on the island rise from 81°F (27.2°C) in June and peak at 84°F (28.9°C) in July and August. Correspondingly, low temperatures rise from 73°F (22.8°C) in June to a peak of 75°F (23.9°C) in July and August. Sea temperatures climber to their maximum of 79°F (26.1°C) in June to 81°F (27.2°C) in July and August. Rainfall is moderate, ranging from 2.2" (56mm) in June to 4.3" (109mm) in August.
Autumn weather in Midway Atoll
In Autumn (September to November), weather in Midway Atoll sees a gradual decrease in temperatures and an increase in rainfall. High temperatures drop from 84°F (28.9°C) in September to 76°F (24.4°C) by November. In parallel, low temperatures recede from 75°F (23.9°C) in September to 69°F (20.6°C) by November. Rainfall spikes to 3.5" (89mm) in both September and October before slightly increasing to 3.8" (97mm) in November.
Winter weather in Midway Atoll
Winter in Midway Atoll (December through February) is characterized by a drop in temperatures and an increase in rainfall. High temperatures retreat from 73°F (22.8°C) in December to 70°F (21.1°C) by February. Similarly, low temperatures decline from 65°F (18.3°C) in December to 62°F (16.7°C) in February. The rainy season commences with rainfall surging to 4.1" (104mm) in December and escalating to 5" (127mm) by February. Daylight hours are at the shortest during this season, thus possibly limiting outdoor activities.
Weather in January
Weather in Midway Atoll in January introduces the year with temperatures ranging from 62°F (16.7°C) to 70°F (21.1°C). This month experiences relatively high rainfall with up to 5" (127mm) of precipitation. The frequent rainfall during this period keeps the atmosphere cool and the feeling of winter slightly lingers. Weather in January »
Weather in February
A drop in rainfall to 3.8" (97mm) and a mild increase in temperatures can be felt in February. The temperature extremes still remain comfortably between 62°F (16.7°C) and 70°F (21.1°C). The shorter spans of rainfall allow for more daylight, making outdoor activities more appealing. Weather in February »
Weather in March
Weather patterns in March are a gentle reminder that warmer days are ahead in Midway Atoll. Rising temperatures from 63°F (17.2°C) to 71°F (21.7°C) indicate the advent of Spring. With reduced rainfall and visually longer spans of daylight, March is a period of transition. Weather in March »
Weather in April
April escalates the feeling of Spring in the Midway Atoll as temperatures elevate from 64°F (17.8°C) to 72°F (22.2°C). Residents witness a further reduction in rainfall to 2.5" (64mm), creating an ideal balance between showers and sunshine. Weather in April »
Weather in May
As May swings along, the weather clearly signals the approach of summer with temperatures spanning from 68°F (20°C) to 76°F (24.4°C). Despite the rising temperatures, rainfall continues its downward trajectory with 2.3" (58mm) recorded. Weather in May »
Weather in June
June marks the advent of summer in Midway Atoll, with temperatures soaring from 73°F (22.8°C) to 81°F (27.2°C). The amount of rainfall is nearly the same as the previous month, totaling 2.2" (56mm). The seemingly unending sunshine and balmy sea temperatures are an open invitation for water activities. Weather in June »
Weather in July
In Midway Atoll, July is the hottest month with temperatures hovering between 75°F (23.9°C) and 83°F (28.3°C). However, the increase in temperature coincides with more precipitation, reaching 3.3" (84mm). The climate remains sunny, with the UV index maintaining its intensity. Weather in July »
Weather in August
August comes with only a minor drop in temperatures with recorded averages between 75°F (23.9°C) and 84°F (28.9°C) in Midway Atoll. The amount of rainfall increases up to 4.3" (109mm), making it the wettest month. The days are sunny and end with rain-showers in the evening. Weather in August »
Weather in September
Temperature in Midway Atoll in September reduces slightly ranging from 75°F (23.9°C) to 84°F (28.9°C). Although one would expect reduced precipitation, the rainfall volume remains steady at 3.5" (89mm). The reduced temperatures bring about a feel of the forthcoming Fall. Weather in September »
Weather in October
October in Midway Atoll welcomes the fall as temperatures steadily decline from 72°F (22.2°C) to 80°F (26.7°C). There is no relief from the regular rainfall with October recording the same amount of precipitation as the preceding month, 3.5" (89mm). Weather in October »
Weather in November
With temperatures from 69°F (20.6°C) to 76°F (24.4°C) and 3.8" (97mm) of rainfall, November offers slightly cooler and wetter conditions. This month witnesses a more significant reduction in daylight hours. The consequent dip in UV index and sea temperatures signals the impending winter. Weather in November »
Weather in December
December in Midway Atoll sees temperatures dip to their lowest yearly averages, ranging from 65°F (18.3°C) to 73°F (22.8°C). This month experiences slightly more rainfall than November with 4.1" (104mm) recorded. Despite it being the onset of winter, the relatively mild temperatures create a unique tropical winter experience. Weather in December »
Updated: Aug 28, 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 month is the coldest in Midway Atoll?
The coldest period falls in January and February, when the average high-temperature reaches 70°F (21.1°C).
What is the rainiest month?
The month with the most rainfall in Midway Atoll is January, when the rain falls for 16 days and typically aggregates up to 5" (127mm) of precipitation.
How much does it rain?
In Midway Atoll, during the entire year, the rain falls for 160 days and collects up to 41.3" (1049mm) of precipitation.
What are the months with the coldest ocean?
The months with the coldest seawater are January through March, with an average ocean temperature of 68°F (20°C).
What is the month with the least sunshine?
The months with the least sunshine are January and February, with an average of 14h of sunshine.
What is the month with the lowest UV index in Midway Atoll?
January and December, with an average maximum UV index of 5, are months with the lowest UV index.
What is the driest month?
June is the month with the least rainfall. Rain falls for 9 days and accumulates 2.2" (56mm) of precipitation.
When are the longest days?
The month with the longest days is June, with an average of 13h and 54min of daylight.
When is the highest UV index?
June through August, with an average maximum UV index of 11, are months with the highest UV index.
What is the month with the most sunshine?
July, September and October, with an average of 18h of sunshine, are months with the most sunshine.
What is the warmest month in Midway Atoll?
In Midway Atoll, August and September are characterised by the peak of temperatures, recording an average high of 84°F (28.9°C).
What are the months with the warmest ocean?
The months with the warmest seawater are August and September, with an average ocean temperature of 80.6°F (27°C).
What is the month with the shortest days?
With an average of 10h and 24min of daylight, December has the shortest days of the year.
Is there Daylight Saving Time (DST)?
Midway Atoll does not utilize Daylight Saving Time (DST). SST timezone is used over the entire year.
Average temperature
Midway Atoll, Midway Island, USA
The warmest months (with the highest average high temperature) are August and September (84°F).
The months with the lowest average high temperature are January and February (70°F).
The months with the highest average low temperature are July, August and September (75°F).
The coldest months (with the lowest average low temperature) are January and February (62°F).
Average rainfall
Midway Atoll, Midway Island, USA
The wettest month (with the highest rainfall) is January (5").
The driest month (with the least rainfall) is June (2.2").
Average rainfall days
Midway Atoll, Midway Island, USA
- Average rainfall days in January:
16 days - Average rainfall days in February:
14 days - Average rainfall days in March:
12 days - Average rainfall days in April:
11 days - Average rainfall days in May:
9 days - Average rainfall days in June:
9 days
- Average rainfall days in July:
15 days - Average rainfall days in August:
15 days - Average rainfall days in September:
15 days - Average rainfall days in October:
14 days - Average rainfall days in November:
14 days - Average rainfall days in December:
16 days
The months with the highest number of rainy days are January and December (16 days).
The months with the least rainy days are May and June (9 days).
Average sea temperature
Midway Atoll, Midway Island, USA
The best months for swimming (with the highest average sea temperature) are August and September (81°F).
The coldest months (with the lowest average sea temperature) are January, February and March (68°F).
Average daylight / Average sunshine
Midway Atoll, Midway Island, USA
- Average daylight in January:
10h and 4min - Average daylight in February:
11h and 1min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 5min - Average daylight in May:
13h and 4min - Average daylight in June:
13h and 5min
- Average daylight in July:
13h and 4min - Average daylight in August:
13h and 1min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 3min - Average daylight in November:
10h and 5min - Average daylight in December:
10h and 2min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
The months with the most sunshine are July, September and October (Average sunshine: 18h).
The months with the least sunshine are January and February (Average sunshine: 14h).
Average UV index
Midway Atoll, Midway Island, USA
The months with the highest UV index are June, July and August (UV index 11).
The months with the lowest UV index are January and December (UV index 5).
Midway Atoll, Midway Island, USA
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