Best year time to visit Sullivan (historical)

General weather information about Sullivan (historical)

Average annual temperature is 12.1 °C

Absolute maximum temperature: 34.9 °C

Absolute minimum temperature: -12.8 °C

Number of sunny days: 189 days

Number of rainy days: 172 days

Number of snow days: 4 days

* Weather data for Sullivan (historical) 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)	16.4	21.9	23.3	28.3	26.4	28.5	34.9	34.0	33.5	25.7	23.7	17.1
Average daytime temperature (°C)	7.6	10.5	11.4	19.6	20.2	24.0	30.0	28.5	24.4	18.9	11.4	8.8
Average temperature (°C)	3.2	4.9	5.2	12.6	14.3	18.1	23.5	22.1	18.5	13.2	5.7	3.5
Average night temperature (°C)	-0.4	0.0	0.2	6.5	9.3	12.9	18.1	17.2	13.7	8.7	1.1	-0.1
Absolute minimum temperature (°C)	-7.0	-12.8	-8.8	-1.1	2.6	8.7	14.5	12.6	8.4	1.0	-9.0	-6.9

The best time to visit Sullivan (historical) during the most sunny months:

The largest precipitation sum in Sullivan (historical) is at

April — 132(mm)

June — 131(mm)

December — 120(mm)

When is the best time to visit Sullivan (historical)?

The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Sullivan (historical).

What is the weather like in Sullivan (historical)?

See average temperature, rainfall and daylight hours for Sullivan (historical) by month in the table above.

How many sunny days does Sullivan (historical) have?

The monthly weather statistics above show sunshine and rainfall patterns for Sullivan (historical) throughout the year.