Climate of Fairfax

Fairfax has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Fairfax is 18° degrees and there is about 662 mm of rain in a year. It is dry for 182 days a year with an average humidity of 74% and an UV-index of 4.

Climate averages for the whole year

Day: the average daily temperature during the day is between 4°C and 31°C
Night:the average nighttime temperature is between -3°C and 20°C
Rain: it rains 154 days and there is a total of approximately 663 mm rainfall
Snow: it snows an average of 19 days per year
Sun hours: throughout the year there are 2872 sun hours

Maximum temperature:	between 4°C and 31°C
Warmest month:	31°C in July
Coldest month:	4°C in January
Night temperature:	between -3°C and 20°C
Dry days:	192 days
Days with rain:	154 days
Days with snow:	19 days
Total rain sum:	663 mm
Hours of sunshine:	2872 hours

Climate of Fairfax
Temperature graph
Precipitation graph
Climate chart of Fairfax
The best travel time for Fairfax
Climate of Fairfax by month
Experiences with the weather of Fairfax

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These are the travel companies where you can book a trip to Fairfax:

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Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Fairfax.

Precipitation graph

This graph shows the average amount of rainfall per month for Fairfax.

Climate table of Fairfax

In this climate table you can see at a glance what the average weather per month is for Fairfax. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Fairfax might be like in a given month.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Day temp. (°C)	4	7	11	19	24	28	31	30	26	19	13	8
Night temp. (°C)	-3	-2	2	8	13	17	20	19	16	10	4	0
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Precipitation (mm)	49	49	58	56	64	49	54	52	52	57	59	64
Days with rain	11	10	13	15	16	13	15	16	13	12	9	11
Days with snow	6	6	3	-	-	-	-	-	-	-	1	3
Dry days	14	12	15	15	15	17	16	15	17	19	20	17
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sun hours per day	5	5	7	9	9	11	11	11	9	6	6	5
Wind force (Bft)	2	3	3	3	2	2	2	2	2	2	2	2
UV-index	2	3	3	4	6	6	6	7	5	4	3	2

Best time to visit Fairfax

The best time to visit Fairfax in the state of Virginia is from April through October. In this period you have a warm temperature and little precipitation. The highest average temperature in Fairfax is 31°C in July and the lowest is 4°C in January.

Climate of Fairfax by month

What is the average climate in a given month for Fairfax? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

January