Wethersfield, United States experiences average highs of 16°C (61°F) and lows of 7°C (45°F) throughout the year. Rainfall is moderate, averaging about 10 rainy days per month. Average highs have cooled by 1.2°C (2.2°F) across the available records.
Wethersfield, United States Weather & Climate 2026
Monthly climate averages for Wethersfield, United States. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: Mar–Aug At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
5.2/10
Best: June, July, August, September, October
UV Index
5
Low
Temperature 16°C / 7°C
Feels Like 15°C / 5°C
Rainy Days 10
Rainfall 99 mm
Sunshine 8 h
Humidity 72%
Wind Speed 15 km/h
Dew Point 7°C
Snow Days 5 days
Frost Days 16 days
Hottest Month
29°C
July
Avg Low20°C
Rain13days
Coldest Month
-4°C
January
Avg High4°C
Rain9days
Driest Month
8days
November
Avg High11°C
Avg Low3°C
Windiest Month
18 km/h
March (Gusts 44)
Worst Time to Visit
Consider avoiding January, February, March, December due to very cold temperatures, frequent rain.
Sun Position
Sunrise 05:17
Daylight 15.2h
Sunset 20:28
Live conditions—
Wethersfield on the map · live conditions
Wethersfield, United States
- Continent
- Americas
- Country
- United States
- City
- Wethersfield
- Population
- 26.7K
- Elevation
- 25 m
- Coordinates
- 41.71°, -72.65°
Seasonal Breakdown
Spring
Mar–May
Avg High 15°C
Avg Low 5°C
Rain 11 days/mo
Summer
Jun–Aug
Avg High 28°C
Avg Low 18°C
Rain 12 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 18°C
Avg Low 9°C
Rain 9 days/mo
2/3 best months
Winter
Dec–Feb
Avg High 5°C
Avg Low -3°C
Rain 10 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 4°C / -4°C . Feb: 5°C / -4°C . Mar: 10°C / 0°C . Apr: 15°C / 5°C . May: 21°C / 11°C . Jun: 26°C / 16°C . Jul: 29°C / 20°C . Aug: 28°C / 19°C . Sep: 24°C / 15°C . Oct: 18°C / 10°C . Nov: 11°C / 3°C . Dec: 5°C / -2°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 85 mm. Feb: 80 mm. Mar: 97 mm. Apr: 107 mm. May: 108 mm. Jun: 79 mm. Jul: 129 mm. Aug: 88 mm. Sep: 115 mm. Oct: 109 mm. Nov: 79 mm. Dec: 117 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 68%. Feb: 70%. Mar: 65%. Apr: 68%. May: 73%. Jun: 72%. Jul: 75%. Aug: 74%. Sep: 76%. Oct: 76%. Nov: 72%. Dec: 73%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 17 km/h . Feb: 17 km/h . Mar: 18 km/h . Apr: 18 km/h . May: 15 km/h . Jun: 14 km/h . Jul: 13 km/h . Aug: 13 km/h . Sep: 13 km/h . Oct: 15 km/h . Nov: 16 km/h . Dec: 16 km/h .
Sunshine
Sunshine
Sunshine: Jan: 6h. Feb: 7h. Mar: 8h. Apr: 9h. May: 9h. Jun: 11h. Jul: 11h. Aug: 10h. Sep: 9h. Oct: 7h. Nov: 7h. Dec: 6h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 3. Mar: UV 4. Apr: UV 5. May: UV 6. Jun: UV 7. Jul: UV 7. Aug: UV 6. Sep: UV 5. Oct: UV 4. Nov: UV 3. Dec: UV 2.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 8 days. Feb: 8 days. Mar: 4 days. Apr: 1 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 1 days. Dec: 6 days.
Climate Trends
Average highs have cooled by 1.2°C (2.2°F) across the available records. Average rainfall is trending wetter by about 14 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jul 2025 · 29°C | Jul · 29°C |
| Coldest month | Jan 2025 · -7°C | Jan · -4°C |
| Wettest month | May 2025 · 216 mm | Jul · 129 mm |
| Windiest month | Mar 2025 · 20 km/h | Mar · 18 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Fair May
Good June best
Excellent July best
Good August best
Excellent September best
Excellent October best
Good November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 4°C / -4°C | -1°C / -9°C | 9days (85 mm) Wet | 6h Fair | 68% Muggy | 2.2 Moderate | Poor | View Details |
| February | 5°C / -4°C | 2°C / -8°C | 10days (80 mm) Wet | 6.7h Fair | 70% Muggy | 3.4 Moderate | Poor | View Details |
| March | 10°C / 0°C | 6°C / -4°C | 11days (97 mm) Wet | 8.1h Good | 65% Muggy | 4.4 Moderate | Poor | View Details |
| April | 15°C / 5°C | 13°C / 2°C | 11days (107 mm) Wet | 8.5h Good | 68% Muggy | 5.1 High | Fair | View Details |
| May | 21°C / 11°C | 20°C / 9°C | 12days (108 mm) Wet | 9.3h Good | 73% Muggy | 6.1 High | Good | View Details |
| June best | 26°C / 16°C | 27°C / 16°C | 11days (79 mm) Wet | 10.8h Excellent | 72% Muggy | 6.9 High | Excellent | View Details |
| July best | 29°C / 20°C | 32°C / 22°C | 13days (129 mm) Wet | 11h Excellent | 75% Muggy | 7.2 Very High | Good | View Details |
| August best | 28°C / 19°C | 30°C / 21°C | 11days (88 mm) Wet | 10.3h Excellent | 74% Muggy | 6.4 High | Excellent | View Details |
| September best | 24°C / 15°C | 25°C / 15°C | 9days (115 mm) Wet | 8.5h Good | 76% Humid | 5.3 High | Excellent | View Details |
| October best | 18°C / 10°C | 17°C / 8°C | 10days (109 mm) Wet | 7.1h Good | 76% Humid | 3.9 Moderate | Good | View Details |
| November | 11°C / 3°C | 8°C / -1°C | 8days (79 mm) Wet | 6.6h Fair | 72% Muggy | 2.7 Moderate | Poor | View Details |
| December | 5°C / -2°C | 2°C / -6°C | 10days (117 mm) Wet | 5.5h Fair | 73% Muggy | 2 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Wethersfield are June, July, August, September, October, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Wethersfield, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Wethersfield is July, with average daytime highs of 29°C (84°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Wethersfield is January, with average overnight lows of -4°C (24°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Wethersfield is July, averaging 129mm of precipitation across 13 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Wethersfield runs through July, May, March, April, with the heaviest rainfall in July. Based on 10-year averages for Wethersfield.
Wethersfield receives approximately 98 sunshine hours per year. The sunniest month is July with around 11 hours. Based on climate data for Wethersfield.
The least favorable months to visit Wethersfield are January, February, March, December, primarily due to very cold temperatures, frequent rain. For the best conditions, consider June, July, August, September, October instead.
The annual average UV index in Wethersfield is 5, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Wethersfield is 72%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Wethersfield receives snow. Months with snowfall average 5 snow days and 13 cm (5 in) of accumulation, with about 16 frost days during winter.
Average wind speeds in Wethersfield are 15 km/h (9 mph). The windiest month is March with peak winds reaching 18 km/h (11 mph) (gusts up to 44 km/h / 27 mph).
Wethersfield averages 4 clear-sky days per month with overall cloud cover around 58%. The clearest skies occur in November.
The annual average dew point in Wethersfield is 7°C (45°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Wethersfield has a Humid Subtropical climate, classified as Cfa under the Köppen system. Temperate climates have mild winters and warm summers, with rainfall spread across the year and four distinct seasons.
The 'feels like' temperature in Wethersfield ranges from 5°C (41°F) to 15°C (59°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
Yes, June is a great time to visit Wethersfield. It earns a climate score of 8.5/10 with Excellent.
For June in Wethersfield, pack Umbrella, Waterproof jacket, Breathable clothing, Sunscreen (SPF 30+), Sun hat. With average highs of 26°C (79°F) and 11 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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