Monthly weather forecast and climate
Riverton, WY

What is the coldest month in Riverton?

The coldest month is January, with an average high-temperature of 30°F (-1.1°C) and an average low-temperature of -0.2°F (-17.9°C).

How much does it rain in Riverton?

In Riverton, Wyoming, during the entire year, the rain falls for 79 days and collects up to 8.8" (223.1mm) of precipitation.

What is the month with the lowest UV index in Riverton?

Months with the lowest UV index are January and December, with an average UV index of 1.

What is the driest month in Riverton?

February is the month with the least rainfall in Riverton. Rain falls for 6 days and accumulates 0.3" (6.4mm) of precipitation.

What is the wettest month in Riverton?

The month with the most rainfall is May when the rain falls for 9 days and typically aggregates up to 1.8" (45.2mm) of precipitation.

What is the warmest month in Riverton?

July is the warmest month, with an average high-temperature of 89.1°F (31.7°C) and an average low-temperature of 51.4°F (10.8°C).

What is the month with highest UV index in Riverton?

With an average UV index of 10, July is the month with the highest UV index in Riverton, Wyoming.
Average rainfall - Riverton, WY
Average rainfall days - Riverton, WY

Months with the highest number of rainy days are April and May (9 days).
Months with the lowest number of rainy days are January, August and November (5 days).

Average daylight / Average sunshine - Riverton, WY
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