What’s the climate like in Fairfax?
The current climate of Fairfax features average monthly temperatures ranging from highs of 31°C during the day to lows of 7°C. The average yearly temperature is around 20°C. At night, temperatures in the colder months average around -3°C and in the warmer months around 20°C.
The highest temperature recorded in Fairfax in recent years was 38°C in July 2016. The lowest daytime temperature recorded was -9°C in February 2015.
On average, Fairfax gets 1504 mm of precipitation each year. Of this, about 24 cm is snowfall. For comparison, London gets 701 mm of precipitation each year.
Best time to visit Fairfax?
The best time to visit Fairfax for pleasant to warm weather is April, May, July, September and October. There might be some rain during this period, but the temperatures are just right for exploring Fairfax.
Climate Table of Fairfax
The climate table of Fairfax shows the average temperatures, precipitation, snow, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 7 | 9 | 13 | 20 | 24 | 29 | 31 | 30 | 27 | 22 | 14 | 10 |
| Temp. min (°C) | -2 | -1 | 2 | 8 | 13 | 18 | 21 | 20 | 17 | 11 | 3 | 0 |
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| Precipitation (mm) | 93 | 83 | 111 | 121 | 117 | 205 | 142 | 215 | 75 | 94 | 126 | 122 |
| Snow (cm) | 6,9 | 6,2 | 8,6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0,4 | 1,2 |
| UV Index | 3 | 5 | 5 | 7 | 7 | 8 | 8 | 6 | 8 | 5 | 3 | 3 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
- Average yearly temperature: 20°C
- Highest temperature: 31°C in July
- Lowest temperature: 7°C in January
- Precipitation*: 1504 mm per year, averaging 125 mm per month
- Snowfall: 24 cm per year
- Driest months: 75 mm in September, 83 mm in February and 93 mm in January
- Wettest months: 215 mm in August, 205 mm in June and 142 mm in July
*Precipitation is measured as a combination of rain, snow, and hail
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Table of Contents
Average Temperature per Month in Fairfax
This graph shows the average maximum temperatures per month in Fairfax, Virginia. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in Fairfax
This graph shows how much precipitation Fairfax, Virginia, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average Snowfall per Month in Fairfax
This graph shows how much snow Fairfax, Virginia, gets on average per month. The amount of snowfall is measured in centimetres and the average is calculated based on the recorded snowfall per month from past years.
Average UV Index per Month in Fairfax
This graph shows the average UV index per month in Fairfax, Virginia. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Yearly Temperature in Fairfax
This graph shows the average yearly temperature in Fairfax, Virginia. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Fairfax
This chart shows the total yearly precipitation in Fairfax, Virginia, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
Total Yearly Snowfall in Fairfax
This chart shows the total yearly snowfall in Fairfax, Virginia, over the past few years. The total yearly snowfall, measured in centimetres, is the sum of all the snow that fell in the twelve months of that year.
Weather experiences in Fairfax
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Average Weather in Fairfax by Month
Click on a month below to see detailed weather info for Fairfax. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
