Merrifield Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Merrifield.
Climate overview of Merrifield
Temperatures in Merrifield, Virginia, United States of America, vary greatly throughout the year. July is the hottest month at 31°C (88°F), while January is the coldest at 6°C (43°F).
The city has a wet climate, receiving around 1152 mm (45 in) of rain/snowfall per year. June is the wettest month. June is the sunniest month, averaging 9.4 hours of sunshine per day.
Merrifield Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Merrifield — and find the best time to visit.
Monthly Temperature in Merrifield
The climate in Merrifield is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a very warm 31°C (88°F) in July to a chilly 6°C (43°F) in January.
Nighttime temperatures range from 20°C (68°F) in July to -4°C (25°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Merrifield
Merrifield has a notably wet climate with abundant precipitation, recording 1152 mm (45 in) of rain/snowfall per year. The amount of precipitation varies moderately throughout the year. The wettest month, June, sees around 139 mm (5.5 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, February, still receives a respectable 65 mm (2.6 in) of rainfall. For more details, please visit our Merrifield 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 Merrifield
In Merrifield, summer days are longer and more sunny, with daily sunshine hours peaking at 9.4 hours in June. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 4.3 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Merrifield by Month
The relative humidity is high throughout the year in Merrifield.
The city experiences its highest humidity in August, reaching 69%. In March, the humidity drops to its lowest level at 58%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Merrifield
The mean wind speed varies between 4 m/s (8 knots) and 5 m/s (10 knots) throughout the year. It is lowest in May, June, July, August, September, October, November and December and highest during January, February, March and April. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Merrifield
Frequently asked questions about the climate in Merrifield
What is the best time to visit Merrifield?
April, May, June and September typically offer the most optimal weather in Merrifield. In contrast, January, February and December tend to have less optimal conditions.
What temperatures can I expect in Merrifield?
Daytime highs range from 6°C (43°F) in January to 31°C (88°F) in July. Nighttime lows range from -4°C (25°F) to 20°C (68°F). Temperatures vary considerably through the year.
How much rain does Merrifield get?
Annual rainfall is around 1152 mm (45 in). June is the wettest month with 139 mm (5.5 in), while February is the driest with 65 mm (2.6 in).
How sunny is Merrifield?
Merrifield receives around 2,520 hours of sunshine per year. June is the sunniest month with 282 hours, while December is the cloudiest with just 130 hours. Overall, Merrifield enjoys abundant sunshine.
Merrifield 3-Day Forecast
Merrifield 3-Day Forecast
Merrifield on the map
Merrifield is highlighted — select any city to see its climate.
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