Heat Advisory
* WHAT...Heat index values up to 97 expected.
* WHERE...Eastern Hillsborough and Interior Rockingham Counties.
* WHEN...From 11 AM this morning to 8 PM EDT this evening.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
Heat Advisory
* WHAT...For the first Heat Advisory, heat index values up to 99.
For the second Heat Advisory, heat index values up to 98 expected.
* WHERE...Eastern Hillsborough and Interior Rockingham Counties.
* WHEN...For the first Heat Advisory, until 8 PM EDT this evening.
For the secon…
Heat Advisory
* WHAT...For the first Heat Advisory, heat index values up to 99.
For the second Heat Advisory, heat index values up to 98 expected.
* WHERE...Eastern Hillsborough and Interior Rockingham Counties.
* WHEN...For the first Heat Advisory, until 8 PM EDT this evening.
For the secon…
Tomorrow in Manchester looks
sunny, with a high of 94°
and an overnight low of 73°.
Precipitation chance is modest at 17%.
Winds top out near 6 mph,
and the UV index reaches 8 (high).
Manchester has a humid continental climate, marked by warm summers and cold, often snowy winters. Average daytime highs range from about 34°F (1°C) in January to around 84°F (29°C) in July, and the city records roughly 123 days of measurable precipitation a year.
Manchester weather: quick facts
Hottest month: July - highs near 84°F (29°C)
Coldest month: January - highs near 34°F (1°C)
Record high: 100°F (38°C) · Record low: -19°F (-28°C) (2015–2024)
Wettest month: December (11 rainy days) · Sunniest: July (11.2 h sun/day)
Climate type:humid continental - warm summers and cold, often snowy winters
Snow: about 21 days a year
Temperatures through the year
The warmest stretch of the year centers on July. Highs average 84°F (29°C) and overnight lows stay near 64°F (18°C). The coolest month is January, with typical highs of 34°F (1°C) and lows around 18°F (-8°C). Based on 2015–2024 weather data, temperatures have reached as high as 100°F (38°C) and dropped as low as -19°F (-28°C).
Rain, sun and snow
December is usually the wettest month. It brings about 4.6 inches (116 mm) of rain over 11 days, while May is the driest. July brings the most sunshine, averaging 11.2 hours of sun a day. Snow falls on about 21 days in a typical year, mostly from November through April.
Season by season
Spring (March through May)
Spring in Manchester is crisp but comfortable, with daytime highs averaging 56°F (13°C) and nights around 37°F (3°C); expect showers on roughly 32 days across the season, plus around 5 snowy days.
Summer (June through August)
Summer in Manchester runs hot, with daytime highs averaging 81°F (27°C) and nights around 62°F (16°C); expect showers on roughly 34 days across the season.
Fall (September through November)
Fall in Manchester is mild, with daytime highs averaging 61°F (16°C) and nights around 45°F (7°C); expect showers on roughly 27 days across the season.
Winter (December through February)
Winter in Manchester is frigid, with daytime highs averaging 37°F (3°C) and nights around 20°F (-6°C); expect showers on roughly 31 days across the season, plus around 15 snowy days. Wind makes those temperatures feel harsher than they sound - pair the forecast winds with the wind speed converter to judge conditions on exposed skin.
Average temperatures in Manchester by month
Monthly averages for Manchester based on 2015–2024 weather data.
July is the hottest month in Manchester, with average highs of 84°F (29°C) and overnight lows near 64°F (18°C). In the past decade the temperature has peaked at 100°F (38°C).
What is the coldest month in Manchester?
January is the coldest month, with highs averaging 34°F (1°C) and lows around 18°F (-8°C). The lowest reading in recent years was -19°F (-28°C).
What is the rainiest month in Manchester?
December is typically the wettest month, averaging 4.6 inches (116 mm) of precipitation across about 11 days. May is usually the driest.
Does it snow in Manchester?
Yes. Manchester averages about 21 days of snowfall a year, concentrated November through April.
What is the best time to visit Manchester?
The best time to visit Manchester is generally May to October, when this window offers the warmest, brightest days of the year. Daytime temperatures in that window typically sit near 74°F (24°C).
How sunny is Manchester?
Manchester averages 8.3 hours of sunshine per day across the year. July is the sunniest month at about 11.2 hours of sun a day.
Is Manchester humid?
Relative humidity in Manchester averages about 70% over the year, which feels fairly humid. Combined with July heat, muggy conditions are common in summer - the dew point is the number to watch.