Essex Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Essex.
Climate overview of Essex
The climate in Essex, United States of America, is marked by large temperature swings across the seasons, ranging from 27°C (81°F) in July to 3°C (37°F) in January.
With around 1257 mm (49 in) of annual rain/snowfall, Essex has a notably wet climate. However, this rain/snowfall is not evenly distributed — the city has warm summers and cold winters. The wettest month is December. May is the sunniest month, averaging 10.0 hours of sunshine per day.
Essex Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Essex - and find the best time to visit.
Monthly Temperature in Essex
In Essex, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a comfortable 27°C (81°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 3°C (37°F).
At night, temperatures range from around 18°C (64°F) in July to -7°C (19°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Essex
Essex experiences significant rain/snowfall throughout the year, averaging 1257 mm (49 in) of precipitation annually. Despite minor fluctuations, Essex enjoys fairly consistent precipitation throughout the year. In December, you can expect around 131 mm (5.2 in) of precipitation, while in September, Essex receives about 82 mm (3.2 in). For more details, please visit our Essex Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Essex
Essex can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 10.0 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 4.7 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Essex by Month
The relative humidity is high throughout the year in Essex.
The city experiences its highest humidity in August, reaching 72%. In February, the humidity drops to its lowest level at 62%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Essex
Each month is rated for comfortable sightseeing weather — mild temperatures and low rainfall. Tap a month for its full averages; your ideal time may differ for a beach or winter trip (see below).
- Best overall: July and September
- Warmest weather: July and August
- Most sunshine: May and July
- Climate seasons: warm summers and cold winters
- Best for winter weather: January, with freezing nights around -7°C (19°F).
Frequently asked questions about the climate in Essex
What is the best time to visit Essex?
July and September typically offer the most optimal weather in Essex. In contrast, January, February, March and December tend to have less optimal conditions. Essex has warm summers and cold winters.
What temperatures can I expect in Essex?
Daytime highs range from 3°C (37°F) in January to 27°C (81°F) in July. Nighttime lows range from -7°C (19°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Essex get?
Annual rainfall is around 1257 mm (49 in). December is the wettest month with 131 mm (5.2 in), while September is the driest with 82 mm (3.2 in). In the coldest months, precipitation may fall as snow/rain.
How sunny is Essex?
Essex receives around 2,665 hours of sunshine per year. May is the sunniest month with 301 hours, while December is the cloudiest with just 141 hours. Overall, Essex enjoys abundant sunshine.
Essex 3-Day Forecast
Essex 3-Day Forecast
Essex on the map
Essex is highlighted - select any city to see its climate.
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