Best year time to visit Mount Helen

General weather information about Mount Helen

Average annual temperature is 14.6 °C

Absolute maximum temperature: 35.2 °C

Absolute minimum temperature: -7.5 °C

Number of sunny days: 171 days

Number of rainy days: 192 days

Number of snow days: 2 days

* Weather data for Mount Helen 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)	19.2	25.2	25.3	27.3	27.5	32.4	34.4	35.2	31.3	28.9	24.9	16.8
Average daytime temperature (°C)	11.2	14.6	15.3	19.7	24.0	27.5	30.1	29.2	27.1	21.4	15.8	11.6
Average temperature (°C)	6.2	8.5	8.9	13.3	17.6	21.0	24.1	23.4	20.7	15.4	9.2	6.1
Average night temperature (°C)	2.6	4.4	4.1	7.9	12.3	15.4	19.3	18.7	15.4	10.5	4.8	2.3
Absolute minimum temperature (°C)	-5.2	-6.2	-7.5	0.7	4.1	10.5	15.0	13.0	11.5	3.1	-5.5	-6.2

The best time to visit Mount Helen during the most sunny months:

The largest precipitation sum in Mount Helen is at

January — 136(mm)

February — 120(mm)

July — 117(mm)

When is the best time to visit Mount Helen?

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

What is the weather like in Mount Helen?

See average temperature, rainfall and daylight hours for Mount Helen by month in the table above.

How many sunny days does Mount Helen have?

The monthly weather statistics above show sunshine and rainfall patterns for Mount Helen throughout the year.