Best year time to visit Township of Herndon

General weather information about Township of Herndon

Average annual temperature is 17.0 °C

Absolute maximum temperature: 37.8 °C

Absolute minimum temperature: -6.7 °C

Number of sunny days: 200 days

Number of rainy days: 165 days

* Weather data for Township of Herndon United States is based on climate observations for 2026 year

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	22.2	23.0	24.3	27.5	31.2	36.4	36.1	37.8	35.1	30.7	26.5	18.9
Average daytime temperature (°C)	12.0	14.1	16.0	21.3	27.3	31.4	32.6	32.1	29.2	23.0	16.1	12.5
Average temperature (°C)	7.3	8.7	10.7	15.6	21.4	25.5	27.3	26.8	23.6	17.7	10.8	7.9
Average night temperature (°C)	3.7	4.8	6.3	10.8	16.1	19.9	23.0	22.7	18.9	13.5	6.6	4.5
Absolute minimum temperature (°C)	-5.2	-6.7	-5.7	4.5	7.6	14.7	17.6	16.7	14.1	-1.2	-2.0	-3.0

The best time to visit Township of Herndon during the most sunny months:

The largest precipitation sum in Township of Herndon is at

January — 248(mm)

March — 204(mm)

When is the best time to visit Township of Herndon?

The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Township of Herndon.

What is the weather like in Township of Herndon?

See average temperature, rainfall and daylight hours for Township of Herndon by month in the table above.

How many sunny days does Township of Herndon have?

The monthly weather statistics above show sunshine and rainfall patterns for Township of Herndon throughout the year.