Climate Insights for Cheshire

Naugatuck Valley Planning Region, Connecticut, United States

Hottest
July
29°C peak
Coldest
January
-4°C low
Wettest
December
123mm rain
Best to Visit
May, June, August
Mild temps & low rain

Climate Overview

The climate in Cheshire is temperate. The average annual temperature is 12°C and approximately 1215mm of precipitation falls per year. Cheshire receives a notable amount of rainfall throughout the year, including during its driest month. Cheshire is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, February, December, when temperatures can drop to -4°C. Snowfall occurs from January to December, with around 77cm accumulating over the season.

Temperature

-10° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 4° Average: 0° Min: -4° Feb Max: 5° Average: 0° Min: -3° Mar Max: 9° Average: 4° Min: 0° Apr Max: 15° Average: 10° Min: 6° May Max: 21° Average: 16° Min: 11° Jun Max: 26° Average: 20° Min: 16° Jul Max: 29° Average: 24° Min: 20° Aug Max: 28° Average: 23° Min: 19° Sep Max: 24° Average: 19° Min: 15° Oct Max: 18° Average: 13° Min: 9° Nov Max: 12° Average: 7° Min: 3° Dec Max: 6° Average: 3° Min: -1°
Max
Average
Min

Temperatures in Cheshire vary considerably across the year, with a 33°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 29°C and the mean temperature sits around 24°C. The coldest month is January, when overnight lows fall to -4°C and the daily average is 0°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 6°C shift in average temperatures.

Precipitation

0mm 25mm 50mm 75mm 100mm 125mm 150mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 97mm Snow: 19mm Feb Precipitation: 85mm Snow: 23mm Mar Precipitation: 98mm Snow: 18mm Apr Precipitation: 106mm Snow: 2mm May Precipitation: 89mm Snow: 0mm Jun Precipitation: 96mm Snow: 0mm Jul Precipitation: 121mm Snow: 0mm Aug Precipitation: 91mm Snow: 0mm Sep Precipitation: 116mm Snow: 0mm Oct Precipitation: 109mm Snow: 1mm Nov Precipitation: 83mm Snow: 2mm Dec Precipitation: 123mm Snow: 12mm
Precipitation
Snow

Cheshire is a fairly wet location, receiving approximately 1215mm of precipitation annually, which averages out to around 101mm per month. The wettest month is December, averaging 123mm of rainfall. July and September also tend to see above-average precipitation. The driest month is November, with just 83mm. That's 40mm less than December, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Snowfall is a regular feature from January to December, with around 77cm accumulating over the season. February typically sees the most snow at around 23cm.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 19km/h Feb Wind Speed: 19km/h Mar Wind Speed: 20km/h Apr Wind Speed: 19km/h May Wind Speed: 16km/h Jun Wind Speed: 16km/h Jul Wind Speed: 14km/h Aug Wind Speed: 14km/h Sep Wind Speed: 15km/h Oct Wind Speed: 17km/h Nov Wind Speed: 18km/h Dec Wind Speed: 18km/h
Wind Speed

Cheshire is mildly breezy, with an average annual wind speed of 17km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 20km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 14km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 6km/h between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 18km/h in winter, 18km/h in spring, 15km/h in summer, 17km/h in autumn.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

91 days until Summer

It is currently spring in Cheshire, which began on March 20, 2026. Cheshire is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 29°C, while the coldest stretch bottoms out in January near -4°C. Summer is next, beginning on June 21, 2026 — 91 days from now.

Spring

Temperatures range from 0 to 21°C. Precipitation is moderate at around 294mm for the season, averaging 98mm per month. Winds are moderate at around 18km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 16 to 29°C. Rainfall is heavy, totalling around 308mm across the season with a monthly average of 103mm. Winds are generally light, averaging 15km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 3 to 24°C. Rainfall is heavy, totalling around 308mm across the season with a monthly average of 103mm. Winds are moderate at around 17km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from -4 to 6°C. Rainfall is heavy, totalling around 305mm across the season with a monthly average of 102mm. Expect around 54cm of snow accumulation during this period. Winds are moderate at around 18km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.

Best Time to Visit

Jan
Feb
Mar
Apr 10°
May 16°
Jun 20°
Jul 24°
Aug 23°
Sep 19°
Oct 13°
Nov
Dec

The best time to visit Cheshire is during May, June and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 92mm per month. By contrast, July can be uncomfortably hot with highs reaching 29°C, while January is the coldest period with lows dropping to -4°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

Monthly Climate Data

The table below shows monthly climate averages for Cheshire based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
-4 °C
4 °C
19 km/h
97 mm
19 cm
Feb
-3 °C
5 °C
19 km/h
85 mm
23 cm
Mar Current
0 °C
9 °C
20 km/h
98 mm
18 cm
Apr
6 °C
15 °C
19 km/h
106 mm
2 cm
May
11 °C
21 °C
16 km/h
89 mm
0 cm
Jun
16 °C
26 °C
16 km/h
96 mm
0 cm
Jul
20 °C
29 °C
14 km/h
121 mm
0 cm
Aug
19 °C
28 °C
14 km/h
91 mm
0 cm
Sep
15 °C
24 °C
15 km/h
116 mm
0 cm
Oct
9 °C
18 °C
17 km/h
109 mm
1 cm
Nov
3 °C
12 °C
18 km/h
83 mm
2 cm
Dec
-1 °C
6 °C
18 km/h
123 mm
12 cm
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Metric (°C, km/h)