Climate and monthly weather forecast
Hartman, CO

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Weather in January

January, like December, is a frosty winter month in Hartman, Colorado, with an average temperature varying between 27°F (-2.8°C) and 45.3°F (7.4°C). Hartman signifies an average high-temperature of a still chilly 45.3°F (7.4°C) in January, closely mirroring the 43.7°F (6.5°C) of December. Weather in January »

Weather in February

February, the last month of the winter in Hartman, is also a frosty month, with an average temperature fluctuating between 47.8°F (8.8°C) and 28.6°F (-1.9°C). February's weather displays an average high-temperature of a still chilly 47.8°F (8.8°C), slightly varied from January's 45.3°F (7.4°C). Weather in February »

Weather in March

March, the first month of the spring in Hartman, is a refreshing month, with an average temperature varying between 38.8°F (3.8°C) and 59.9°F (15.5°C). March's arrival brings a temperature shift, moving from a frosty 47.8°F (8.8°C) in February to a mild 59.9°F (15.5°C). Weather in March »

Weather in April

April in Hartman, Colorado, is a refreshing spring month, with an average temperature fluctuating between 45°F (7.2°C) and 67.3°F (19.6°C). Hartman's transition into April is noticed by a slight rise in the average high-temperature, advancing from a refreshing 59.9°F (15.5°C) in March to an enjoyable 67.3°F (19.6°C). Weather in April »

Weather in May

May, the last month of the spring in Hartman, is a warm month, with an average temperature ranging between max 75.9°F (24.4°C) and min 52.9°F (11.6°C). May brings a slight rise in Hartman's average high-temperature, moving from a refreshing 67.3°F (19.6°C) in April to a warm 75.9°F (24.4°C). Weather in May »

Weather in June

June, the first month of the summer in Hartman, is a tropical month, with an average temperature fluctuating between 90°F (32.2°C) and 66.2°F (19°C). Hartman's transition into June is marked by a temperature shift, moving from a warm 75.9°F (24.4°C) in May to a tropical 90°F (32.2°C). Weather in June »

Weather in July

July, like June, is another tropical summer month in Hartman, Colorado, with an average temperature ranging between max 92.7°F (33.7°C) and min 71.1°F (21.7°C). July, marked by an average high-temperature of 92.7°F (33.7°C) and a low-temperature of 71.1°F (21.7°C), is the warmest month. July's average heat index is calculated to be a very hot 96.8°F (36°C). Weather in July »

Weather in August

August, the last month of the summer in Hartman, is also a hot month, with an average temperature fluctuating between 68.2°F (20.1°C) and 89.8°F (32.1°C). The onset of August notes an average high-temperature of a still tropical 89.8°F (32.1°C), subtly shifted from July's 92.7°F (33.7°C). Weather in August »

Weather in September

September, the first month of the autumn in Hartman, is also a moderately hot month, with an average temperature varying between 83.1°F (28.4°C) and 61.7°F (16.5°C). The shift from August to September coincides with a small decrease in the average high-temperature, down to a moderately hot 83.1°F (28.4°C) from a tropical 89.8°F (32.1°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Hartman, Colorado, with an average temperature ranging between min 47.1°F (8.4°C) and max 67.3°F (19.6°C). October signals a considerable drop in Hartman's average high-temperature, reducing from a moderately hot 83.1°F (28.4°C) in September to an enjoyable 67.3°F (19.6°C). Weather in October »

Weather in November

November, the last month of the autumn in Hartman, is another mild month, with an average temperature fluctuating between 35.8°F (2.1°C) and 55.8°F (13.2°C). Hartman in November demonstrates a small temperature transition, adjusting from an average high of a comfortable 67.3°F (19.6°C) in October to a moderate 55.8°F (13.2°C). Weather in November »

Weather in December

December, the first month of the winter in Hartman, is still a chilly month, with an average temperature ranging between min 26.4°F (-3.1°C) and max 43.7°F (6.5°C). December is the coldest month, with an average high-temperature of 43.7°F (6.5°C) and an average low-temperature of 26.4°F (-3.1°C). Weather in December »
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the most humid month?

The most humid month is January, with an average relative humidity of 59%.

How many days does it rain in Hartman?

In Hartman, during the entire year, the rain falls for 79.5 days and collects up to 8.9" (226mm) of precipitation.

When does it snow?

January through May, October through December are months with snowfall.

How many days does it snow?

Throughout the year, in Hartman, there are 19.6 snowfall days, and 7.09" (180mm) of snow is accumulated.

What are the months with the lowest UV index?

The months with the lowest UV index are January, November and December, with an average maximum UV index of 2.

What is the snowiest month?

February is the month with the most snowfall in Hartman. Snow falls for 5.6 days and accumulates 1.93" (49mm) of snow.

What is the month with the least sunshine?

The month with the least sunshine is February, with an average of 6.6h of sunshine.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from MDT to MST.

What is the least humid month?

With an average relative humidity of 40%, June is the least humid month.

When it does not snow?

June through September are months without snowfall in Hartman.

When are the longest days?

The month with the longest days is June, with an average of 14h and 48min of daylight.

What are the months with the highest UV index?

The months with the highest UV index are June through August, with an average maximum UV index of 7.

What are the warmest months?

July, with its high-temperature average of 92.7°F (33.7°C) and a low-temperature average of 71.1°F (21.7°C), is the warmest month.

What is the rainiest month?

July is the month with the most rainfall. Rain falls for 11.8 days and accumulates 1.54" (39mm) of precipitation.

What month has the most sunshine?

July has the most sunshine of the year, with an average of 11.9h of sunshine.

What is the driest month?

The month with the least rainfall is November, when the rain falls for 2.5 days and typically collects 0.28" (7mm) of precipitation.

What time of the year is the coldest in Hartman?

December stands out as Hartman's coldest month, with temperatures ranging between an average high of 43.7°F (6.5°C) and a low of 26.4°F (-3.1°C).

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 36min of daylight.

Average temperature
Hartman, CO

Average temperature - Hartman, CO

The warmest month (with the highest average high temperature) is July (92.7°F).
The month with the lowest average high temperature is December (43.7°F).

The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is December (26.4°F).

Average pressure
Hartman, CO

Average pressure - Hartman, CO

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.8"Hg).

Average wind speed
Hartman, CO

Average wind speed - Hartman, CO

The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is January (8.9mph).

Average humidity
Hartman, CO

Average humidity - Hartman, CO

The month with the highest relative humidity is January (59%).
The month with the lowest relative humidity is June (40%).

Average rainfall
Hartman, CO

Average rainfall - Hartman, CO

The wettest month (with the highest rainfall) is July (1.54").
The driest month (with the least rainfall) is November (0.28").

Average rainfall days
Hartman, CO

Average rainfall days - Hartman, CO

The month with the highest number of rainy days is July (11.8 days).
The month with the least rainy days is November (2.5 days).

Average snowfall
Hartman, CO

Average snowfall - Hartman, CO

The month with the highest snowfall is February (1.93").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Hartman, CO

Average snowfall days - Hartman, CO

The month with the highest number of snowfall days is February (5.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Hartman, CO

Average daylight / Average sunshine - Hartman, CO

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).

Average sunshine days
Hartman, CO

Average sunshine days - Hartman, CO

The month with the most sunshine days is November (25.2 days).
The month with the least sunshine days is July (17.3 days).

Average UV index
Hartman, CO

Average UV index - Hartman, CO

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 2).

Average cloud cover
Hartman, CO

Average cloud cover - Hartman, CO

The months with the most cloud cover are February and April (Cloud cover 25).
The months with the least cloud cover are June and September (Cloud cover 14).

Average visibility
Hartman, CO

Average visibility - Hartman, CO

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Hartman, Colorado, USA

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