Expand
Contents
- The climate of Danbury
- The best time to visit Danbury
- The worst time to visit Danbury
- Spring weather in Danbury
- Summer weather in Danbury
- Autumn weather in Danbury
- Winter weather in Danbury
- 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
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The climate of Danbury
Danbury's climate, classified under the Köppen system as Cfa, is characterized by a humid subtropical climate with no dry season. Located in Connecticut, USA, the city experiences an interesting variation in weather conditions throughout the year.
In terms of temperature, Danbury sees quite a range, with highs peaking at 82°F (27.8°C) in July and lows dipping down to 22.6°F (-5.2°C) in January. This significant difference between summer and winter temperatures underlines the stark contrast of the four traditional seasons. Generally, temperature shifts from cool to warm between March with 44.1°F (6.7°C) and June with 75.6°F (24.2°C), and from warm to cooler phases from September, recording 73°F (22.8°C), to December with 39.6°F (4.2°C).
While Danbury maintains relatively high humidity throughout the year, hovering between 72% to 79%, it is balanced by a relatively stable air pressure, varying just slightly, from 29.9" (759mm) to 30.1" (765mm).
Not devoid of snow, the city sees snowfall mainly in winter months, with January showing the highest at 0.75" (19mm) and December closely following with 0.55" (14mm). Rainfall is, however, much more frequent, recording its peak in July with 1.57" (40mm), and the least in November and January with 0.55" (14mm).
Sunshine hours reach their zenith between June and August, ranging from 9.3-10.2 hours, while the shortest days are in December, with sunshine lasting only 4.7 hours. Cloud cover varies while maintaining relatively moderate values, peaking in February with a 50% cloud cover.
In terms of temperature, Danbury sees quite a range, with highs peaking at 82°F (27.8°C) in July and lows dipping down to 22.6°F (-5.2°C) in January. This significant difference between summer and winter temperatures underlines the stark contrast of the four traditional seasons. Generally, temperature shifts from cool to warm between March with 44.1°F (6.7°C) and June with 75.6°F (24.2°C), and from warm to cooler phases from September, recording 73°F (22.8°C), to December with 39.6°F (4.2°C).
While Danbury maintains relatively high humidity throughout the year, hovering between 72% to 79%, it is balanced by a relatively stable air pressure, varying just slightly, from 29.9" (759mm) to 30.1" (765mm).
Not devoid of snow, the city sees snowfall mainly in winter months, with January showing the highest at 0.75" (19mm) and December closely following with 0.55" (14mm). Rainfall is, however, much more frequent, recording its peak in July with 1.57" (40mm), and the least in November and January with 0.55" (14mm).
Sunshine hours reach their zenith between June and August, ranging from 9.3-10.2 hours, while the shortest days are in December, with sunshine lasting only 4.7 hours. Cloud cover varies while maintaining relatively moderate values, peaking in February with a 50% cloud cover.
The best time to visit Danbury
Summer, specifically the months from June to August, is often the most appealing time to visit Danbury due to the warmer temperatures, extensive daylight hours, and higher UV index. During this period, the temperatures typically fluctuate between 75.6°F (24.2°C) and 82°F (27.8°C). This period also boasts the longest daylight hours, with an impressive 15.1 hours in June. Consequently, outdoor activities are abundant, and visitors can explore the city and surroundings to the fullest.
The worst time to visit Danbury
Winter, particularly January, poses a challenge for visitors due to cold temperatures and limited daylight. January sees the lowest temperatures with a minimum of 22.6°F (-5.2°C) and maximum of 33.4°F (0.8°C). The lack of sunshine, with only 4.7 hours in December, coupled with an increased likelihood of snow and a high percentage of cloud cover, could mean challenging conditions for outdoor exploration.
Spring weather in Danbury
Spring in Danbury brings a noticeable shift in weather conditions. Temperatures begin to rise, with average highs moving from 44.1°F (6.7°C) in March to 67.6°F (19.8°C) in May. This season sees a relative increase in rainfall, beginning at 0.63" (16mm) in March and peaking at 1.22" (31mm) in May. Increased rain brings in moderate humidity, but the refreshing Spring air, ranging from 72% to 77% humidity, makes for comfortable exploration.
Summer weather in Danbury
Summer in Danbury is characterized by warm temperatures, abundant sunshine, and relatively high rainfall. From June to August, the city experiences its highest average temperatures, with July being the warmest at 82°F (27.8°C). These warm months, coupled with the longest daylight hours, averaging between 14.5 hours to 15.1 hours, make for long, enjoyable days.
Autumn weather in Danbury
Autumn in Danbury transitions from the warm temperatures and long days of Summer to the cooler and shorter days ahead. September begins with an average high temperature of 73°F (22.8°C) which gradually cools down to 48.7°F (9.3°C) by November. Rainfall during this period is moderate, ranging from 0.67" (17mm) in September to 0.98" (25mm) in November.
Winter weather in Danbury
Winter weather in Danbury is characterized by cold temperatures, shorter days, and considerable snowfall. The average high temperatures drop from 61.2°F (16.2°C) in December to 33.4°F (0.8°C) in January, then rise slightly to 36.5°F (2.5°C) in February. During this time, the city experiences most of its snowfall, with the highest observing in January at 0.75" (19mm).
Weather in January
Danbury, Connecticut, welcomes the new year with a white blanket of snow. Clear, cold days might be enlivened by light snowfall, accumulating up to 0.75" (19mm) over approximately five snowfall days. The daylight period is rather short in January, with a predominant mix of fog, clouds, and drizzle. Weather in January »
Weather in February
February sees a gradual increase in daily temperatures, though the city remains in the grip of winter. There is still potential for fresh snowfalls, but their frequency and volume reduce to 0.75" (19mm) over almost six days. The length of daylight expands, indicating the slow approach of spring. Weather in February »
Weather in March
Spring makes its debut in Danbury in March, causing a notable upswing in temperatures. There’s a sharp reduction in snowfall with only 0.31" (8mm) expected over about four days. This indicates a transitional phase from the blustery winter winds to a more temperate weather pattern. Weather in March »
Weather in April
April brings a welcome relief from the winter chill, breathing new life into Danbury. The city experiences less snow and more rain, heralding the true arrival of spring. Increased sunshine hours coupled with longer daylight periods make outdoor activities enjoyable. Weather in April »
Weather in May
In May, Danbury warms up, signifying the onset of summer. The shifting weather pattern brings in more rainfall, a noticeable 1.22" (31mm) dispersed over about 14 days. Longer sunshine hours foster growth and greenery across the city, transforming landscapes. Weather in May »
Weather in June
June marks the full swing of summer in Danbury, with the city basking in the warmest temperatures yet. An increase in precipitation is observed, with rainfall heightening to 1.3" (33mm) spread over approximately 14 days. The city benefits from maximum daylight hours and abundant sunshine, which fuels outdoor amusement. Weather in June »
Weather in July
July is indisputably the hottest month in Danbury, with temperatures often soaring to the year's height. The highest precipitation of 1.57" (40mm) occurs within this month, scattered over nearly 15 days. However, the city remains mostly dry and sunny despite some rainfall. Weather in July »
Weather in August
August showcases a mix of rainfall and sunshine, while temperatures show a mild dip from the July highs. Demonstrating a slight relief from July's peak precipitation, rain decreases to 1.14" (29mm) scattered over less than 13 days. Weather in August »
Weather in September
September brings a dip in temperatures, marking the beginning of autumn in Danbury. Remarkably, the precipitation decreases to 0.67" (17mm) and is distributed evenly over almost 10 days. The shrinking daylight hours signal the approach of winter, while the city remains pleasantly warm. Weather in September »
Weather in October
October brings a chill to Danbury, with a noticeable shift in weather conditions. Modest rainfall of about 1.02" (26mm) occurs over approximately ten days. The daylight hours shorten considerably, and less sunshine can be expected, foreboding the upcoming decrease in temperatures. Weather in October »
Weather in November
November ushers in colder temperatures, preparing Danbury for the imminent winter. The city experiences a reduction in rainfall to 0.98" (25mm), spread over about seven days. Daylight hours dwindle further, and the wind maintains its moderate pace. Weather in November »
Weather in December
December sees Danbury, Connecticut, dressed in a white gown of snow. The city experiences an increase in snowfall to 0.55" (14mm), occurring over approximately four days. This is a clear sign that the cold, wintry days are back in full swing. Weather in December »
Updated: Jul 16, 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 is the coldest month in Danbury?
Danbury's coldest weather arrives in January, when temperatures average a high of 33.4°F (0.8°C) and a low of 22.6°F (-5.2°C).
What is the driest month?
The months with the least rainfall are January and February Rain falls for 5.5 days and accumulates 0.55" (14mm) of rain.
How much does it rain in Danbury?
Throughout the year, there are 123.7 rainfall days, and 11.65" (296mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through April, October through December.
What is the snowiest month?
The months with the most snowfall are January and February, with an average 0.75" (19mm) of accumulated snow.
How much does it snow?
Throughout the year, there are 20.5 snowfall days, and 2.68" (68mm) of snow is accumulated.
What is the most humid month?
February and October, with an average relative humidity of 79%, are most humid months.
What is the month with the least sunshine?
February has the least sunshine of the year, with an average of 4.5h of sunshine.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
What is the least humid month?
April is the least humid month, with an average relative humidity of 72%.
When it does not snow in Danbury?
In Danbury, snow does not fall in May through September.
When are the longest days?
The month with the longest days in Danbury is June, with an average of 15h and 6min of daylight.
What is the month with the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What is the warmest month?
July, marked by an average high-temperature of 82°F (27.8°C) and a low-temperature of 64.2°F (17.9°C), is the warmest month.
What is the wettest month?
The month with the most rainfall in Danbury is July, when the rain falls for 14.4 days and typically aggregates up to 1.57" (40mm) of precipitation.
What are the months with the most sunshine?
The months with the most sunshine are July and August, with an average of 10.2h of sunshine.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 12min of daylight.
When is the lowest UV index?
The month with the lowest UV index is December, with an average maximum UV index of 1.
Average temperature
Danbury, CT
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure
Danbury, CT
- Average pressure in January:
30.05"Hg - Average pressure in February:
30.02"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Danbury, CT
- Average wind speed in January:
8.2mph - Average wind speed in February:
8mph - Average wind speed in March:
8.2mph - Average wind speed in April:
7.8mph - Average wind speed in May:
6.3mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.9mph - Average wind speed in October:
7.1mph - Average wind speed in November:
7.5mph - Average wind speed in December:
7.8mph
The windiest months (with the highest average wind speed) are January and March (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity
Danbury, CT
The months with the highest relative humidity are February and October (79%).
The month with the lowest relative humidity is April (72%).
Average rainfall
Danbury, CT
- Average rainfall in January:
0.55" - Average rainfall in February:
0.55" - Average rainfall in March:
0.63" - Average rainfall in April:
0.98" - Average rainfall in May:
1.22" - Average rainfall in June:
1.3"
- Average rainfall in July:
1.57" - Average rainfall in August:
1.14" - Average rainfall in September:
0.67" - Average rainfall in October:
1.02" - Average rainfall in November:
0.98" - Average rainfall in December:
1.02"
The wettest month (with the highest rainfall) is July (1.57").
The driest months (with the least rainfall) are January and February (0.55").
Average rainfall days
Danbury, CT
- Average rainfall days in January:
5.5 days - Average rainfall days in February:
6.7 days - Average rainfall days in March:
9.7 days - Average rainfall days in April:
11.3 days - Average rainfall days in May:
13.7 days - Average rainfall days in June:
14.2 days
- Average rainfall days in July:
14.4 days - Average rainfall days in August:
12.8 days - Average rainfall days in September:
9.7 days - Average rainfall days in October:
10.3 days - Average rainfall days in November:
7.3 days - Average rainfall days in December:
8.1 days
The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is January (5.5 days).
Average snowfall
Danbury, CT
The months with the highest snowfall are January and February (0.75").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Danbury, CT
- Average snowfall days in January:
5 days - Average snowfall days in February:
5.7 days - Average snowfall days in March:
4.1 days - Average snowfall days in April:
0.7 days - Average snowfall days in May:
0.1 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 days - Average snowfall days in October:
0.2 days - Average snowfall days in November:
0.6 days - Average snowfall days in December:
4.1 days
The month with the highest number of snowfall days is February (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Danbury, CT
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 3min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
4h and 5min - Average sunshine in February:
4h and 3min - Average sunshine in March:
6h and 0min - Average sunshine in April:
8h and 1min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days
Danbury, CT
- Average sunshine days in January:
22.5 days - Average sunshine days in February:
17.7 days - Average sunshine days in March:
17.3 days - Average sunshine days in April:
16.1 days - Average sunshine days in May:
15 days - Average sunshine days in June:
13.3 days
- Average sunshine days in July:
14.1 days - Average sunshine days in August:
15.9 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
18.3 days - Average sunshine days in November:
20.5 days - Average sunshine days in December:
19.3 days
The month with the most sunshine days is January (22.5 days).
The month with the least sunshine days is June (13.3 days).
Average UV index
Danbury, CT
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Danbury, CT
The months with the most cloud cover are February, March and December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility
Danbury, CT
The months with the highest visibility are January, February, March, April, July, August, September, October, November and December (6mi).
The months with the lowest visibility are May and June (5mi).
Danbury, Connecticut, USA
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location