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Merrifield Weather and Climate: A Comprehensive Guide

Merrifield experiences great temperature shifts. The city's weather can transition from very warm days to cold weather. It also has a relatively rain/snowy climate with high levels of precipitation. Now, let’s explore all the climate details to give you a full picture.

Average maximum day and minimum night temperature

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 in July to a chilly 6°C in January.

Nighttime temperatures can drop, with average lows reaching -4°C in January. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Merrifield has a notably wet climate with abundant precipitation, recording 1152 mm of rain/snowfall per year. The amount of precipitation varies moderately throughout the year. The wettest month, June, sees around 139 mm of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, February, still receives a respectable 65 mm of rainfall.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

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

Data from: Washington DC, the United States of America (17 KM, 10 Miles).

Daily hours of sunshine

Data from: Washington DC, the United States of America (17 KM, 10 Miles).

Forecast for Merrifield

Fri   Dec 27
8°C | 0°C
SE 2 m/s
partly cloudy and no rain

partly cloudy and no rain

Sat   Dec 28
12°C | 5°C
S 2 m/s
19 mm
overcast and heavy rain

overcast and heavy rain

Sun   Dec 29
18°C | 11°C
S 5 m/s
25 mm
broken clouds and rain

broken clouds and rain

The best time of year to visit Merrifield in the United States of America

During the months of May and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is summer in Merrifield?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Merrifield?
    July has an average maximum temperature of 31°C and is the warmest month of the year.
  • Which is the coldest month in Merrifield?
    The coldest month is January with an average maximum temperature of 6°C.
  • Which is the wettest month in Merrifield?
    June tops the wettest month list with 139 mm of rainfall.
  • Which is the driest month in Merrifield?
    February is the driest month with 65 mm of precipitation.
  • Which is the sunniest month in Merrifield?
    June is the sunniest month with an average of 282 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.