Thermopolis
Wyoming, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Thermopolis, WY

January, like December, in Thermopolis, Wyoming, is another cold winter month, with temperature in the range of an average low of 11.5°F (-11.4°C) and an average high of 40.5°F (4.7°C). In Thermopolis, the average high-temperature in January is almost the same as in December - a still wintry 40.5°F (4.7°C). Weather in January »
The last month of the winter, February, is a chilly month in Thermopolis, Wyoming, with average temperature ranging between min 16.2°F (-8.8°C) and max 45.9°F (7.7°C). In February, the average high-temperature marginally rises, from a cold 40.5°F (4.7°C) in January, to a chilly 45.9°F (7.7°C). Weather in February »

The first month of the spring, March, is a cool month in Thermopolis, Wyoming, with average temperature varying between 25.2°F (-3.8°C) and 55.2°F (12.9°C). In March, the average high-temperature increases, from a chilly 45.9°F (7.7°C) in February, to a cool 55.2°F (12.9°C). Weather in March »

April in Thermopolis, Wyoming, is an enjoyable spring month, with average temperature fluctuating between 33.4°F (0.8°C) and 65.1°F (18.4°C). In Thermopolis, the average high-temperature increases, from a fresh 55.2°F (12.9°C) in March, to an enjoyable 65.1°F (18.4°C). Weather in April »

The last month of the spring, May, is a moderately hot month in Thermopolis, Wyoming, with average temperature fluctuating between 42.4°F (5.8°C) and 74.5°F (23.6°C). In May, the average high-temperature rises, from an enjoyable 65.1°F (18.4°C) in April, to a warm 74.5°F (23.6°C). Weather in May »

June, the first month of the summer, in Thermopolis, is also a moderately hot month, with average temperature ranging between max 84.4°F (29.1°C) and min 50.2°F (10.1°C). In June, the average high-temperature rises, from 74.5°F (23.6°C) in May, to a still moderately hot 84.4°F (29.1°C). Weather in June »

July in Thermopolis, Wyoming, is a tropical summer month, with average temperature varying between 57°F (13.9°C) and 93.4°F (34.1°C). The warmest month is July, with an average high-temperature of 93.4°F (34.1°C) and an average low-temperature of 57°F (13.9°C). Weather in July »

The last month of the summer, August, is another hot month in Thermopolis, Wyoming, with average temperature varying between 91.6°F (33.1°C) and 55°F (12.8°C). In August, the average high-temperature is essentially the same as in July - a still hot 91.6°F (33.1°C). Weather in August »

September, the first month of the autumn, in Thermopolis, is still a warm month, with average temperature fluctuating between 45°F (7.2°C) and 81°F (27.2°C). In September, the average high-temperature decreases, from a hot 91.6°F (33.1°C) in August, to a moderately hot 81°F (27.2°C). Weather in September »

October, like September, in Thermopolis, Wyoming, is another comfortable autumn month, with average temperature varying between 33.8°F (1°C) and 65.1°F (18.4°C). In Thermopolis, Wyoming, the average high-temperature declines considerably, from a warm 81°F (27.2°C) in September, to an enjoyable 65.1°F (18.4°C). Weather in October »

November, the last month of the autumn, in Thermopolis, is also a fresh month, with average temperature varying between 51.1°F (10.6°C) and 21.6°F (-5.8°C). In Thermopolis, the average high-temperature drops, from a comfortable 65.1°F (18.4°C) in October, to a cool 51.1°F (10.6°C). Weather in November »

December, the first month of the winter, in Thermopolis, is still a cold month, with temperature in the range of an average low of 11.1°F (-11.6°C) and an average high of 38.8°F (3.8°C). With an average high-temperature of 38.8°F (3.8°C) and an average low-temperature of 11.1°F (-11.6°C), December is the coldest month. Weather in December »

How much does it rain in Thermopolis?

Throughout the year, there are 62.6 rainfall days, and 12" (305.7mm) of precipitation is accumulated.

When does it snow in Thermopolis?

Months with snowfall in Thermopolis, Wyoming, are January through May, September through December.

How many days does it snow in Thermopolis?

In Thermopolis, Wyoming, during the entire year, snow falls for 12 days, and aggregates up to 28.7" (729mm) of snow.

What is the snowiest month in Thermopolis?

January is the month with the most snowfall in Thermopolis, Wyoming. Snow falls for 2.4 days and accumulates 5.4" (137.2mm) of snow.

What is the rainiest month in Thermopolis?

May is the month with the most rainfall in Thermopolis. Rain falls for 7.9 days and accumulates 2.3" (57.2mm) of precipitation.

When are the longest days in Thermopolis?

June has the longest days of the year in Thermopolis, Wyoming, with an average of 15.4h of daylight.

What is the warmest month in Thermopolis?

With an average high-temperature of 93.4°F (34.1°C) and an average low-temperature of 57°F (13.9°C), July is the warmest month in Thermopolis, Wyoming.

What is the coldest month in Thermopolis?

The coldest month in Thermopolis, Wyoming, is December, with an average high-temperature of 38.8°F (3.8°C) and an average low-temperature of 11.1°F (-11.6°C).

What is the driest month in Thermopolis?

December is the month with the least rainfall in Thermopolis. Rain falls for 3.4 days and accumulates 0.4" (9.7mm) of precipitation.

What is the month with the shortest days in Thermopolis?

The month with the shortest days is December, with an average of 9h of daylight.
Average temperature - Thermopolis, WY
Average rainfall - Thermopolis, WY

The wettest month (with the highest rainfall) is May (2.3").
Driest months (with the lowest rainfall) are January, February and December (0.4").

Average rainfall days - Thermopolis, WY

The month with the highest number of rainy days is June (8.3 days).
Months with the lowest number of rainy days are January and February (3.3 days).

Average snowfall days - Thermopolis, WY

Months with the highest number of snowfall days are January and December (2.4 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

Average daylight - Thermopolis, WY