Best year time to visit Grand Tower

General weather information about Grand Tower

Average annual temperature is 15.3 °C

Absolute maximum temperature: 38.1 °C

Absolute minimum temperature: -8.3 °C

Number of sunny days: 201 days

Number of rainy days: 163 days

Number of snow days: 1 day

* Weather data for Grand Tower 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)	20.3	22.0	23.7	27.4	30.6	35.4	36.6	38.1	32.9	30.1	25.0	18.3
Average daytime temperature (°C)	9.7	12.4	13.9	20.6	25.7	30.2	31.5	30.5	27.9	21.4	14.8	10.9
Average temperature (°C)	5.1	6.7	8.3	14.3	19.8	23.9	26.0	25.2	22.2	16.1	9.3	6.4
Average night temperature (°C)	1.8	2.5	3.9	9.0	14.7	18.0	21.7	21.2	17.5	12.1	5.1	3.2
Absolute minimum temperature (°C)	-8.3	-8.2	-5.3	3.3	6.1	12.7	17.8	15.7	14.0	-0.9	-3.2	-4.1

The best time to visit Grand Tower during the most sunny months:

The largest precipitation sum in Grand Tower is at

January — 156(mm)

March — 217(mm)

July — 200(mm)

When is the best time to visit Grand Tower?

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

What is the weather like in Grand Tower?

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

How many sunny days does Grand Tower have?

The monthly weather statistics above show sunshine and rainfall patterns for Grand Tower throughout the year.