Climate and monthly weather forecast
Amherst, CO

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Weather in January

January, like December, in Amherst, Colorado, is another cold winter month, with an average temperature ranging between min 23.9°F (-4.5°C) and max 40.1°F (4.5°C). Amherst's weather in January, with an average high-temperature of a still cold 40.1°F (4.5°C), subtly shifts from December's 39.2°F (4°C). Weather in January »

Weather in February

February, the last month of the winter in Amherst, is also a wintry month, with an average temperature varying between 24.1°F (-4.4°C) and 41.4°F (5.2°C). A minimal variation is noted in Amherst's average high-temperature at the onset of February, reaching a still wintry 41.4°F (5.2°C) from January's 40.1°F (4.5°C). Weather in February »

Weather in March

The first month of the spring, March, is a cool month in Amherst, Colorado, with an average temperature ranging between max 54.1°F (12.3°C) and min 33.8°F (1°C). The onset of March marks an increase in the average high-temperature, moving from a cold 41.4°F (5.2°C) in February to a fresh 54.1°F (12.3°C). Weather in March »

Weather in April

April in Amherst, Colorado, is a mild spring month, with an average temperature fluctuating between 60.6°F (15.9°C) and 40.3°F (4.6°C). As Amherst transitions into April, a marginal rise in the average high-temperature is observed, moving from a cool 54.1°F (12.3°C) in March to a refreshing 60.6°F (15.9°C). Weather in April »

Weather in May

May, the last month of the spring in Amherst, is a pleasant month, with temperature in the range of an average low of 49.1°F (9.5°C) and an average high of 69.4°F (20.8°C). The average high-temperature mildly increases in May, edging from a moderate 60.6°F (15.9°C) in April to a pleasant 69.4°F (20.8°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Amherst, Colorado, with an average temperature ranging between max 83.3°F (28.5°C) and min 61.3°F (16.3°C). The rise of average high-temperatures is seen in June, with an increase from a pleasant 69.4°F (20.8°C) in May to a warm 83.3°F (28.5°C). Weather in June »

Weather in July

July in Amherst, Colorado, is a tropical summer month, with an average temperature fluctuating between 88.7°F (31.5°C) and 66°F (18.9°C). July registers as the month with the highest average temperatures, reaching 88.7°F (31.5°C) at its peak and 66°F (18.9°C) at the lowest. July's heat index is computed to be a hot 93.2°F (34°C). Weather in July »

Weather in August

August, the last month of the summer in Amherst, is another tropical month, with an average temperature ranging between min 63°F (17.2°C) and max 86.5°F (30.3°C). The shift into August reveals an average high-temperature of a still hot 86.5°F (30.3°C), closely mirroring July's climate. Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Amherst, Colorado, with temperature in the range of an average high of 79.2°F (26.2°C) and an average low of 56.5°F (13.6°C). September's arrival signals a moderate reduction in the average high-temperature, easing from a hot 86.5°F (30.3°C) in August to a moderately hot 79.2°F (26.2°C). Weather in September »

Weather in October

October, like September, in Amherst, Colorado, is another enjoyable autumn month, with an average temperature fluctuating between 43°F (6.1°C) and 62.8°F (17.1°C). Amherst's October weather is marked by a distinct drop in high-temperatures, declining from a warm 79.2°F (26.2°C) in September to a comfortable 62.8°F (17.1°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cool month in Amherst, Colorado, with an average temperature fluctuating between 33.3°F (0.7°C) and 51.1°F (10.6°C). During Amherst's transition into November, the average high-temperature lessens, moving from an enjoyable 62.8°F (17.1°C) in October to a fresh 51.1°F (10.6°C). Weather in November »

Weather in December

December, the first month of the winter in Amherst, is also a wintry month, with an average temperature fluctuating between 39.2°F (4°C) and 23.2°F (-4.9°C). December is Amherst's coldest month, registering average high temperatures of 39.2°F (4°C) and lows of 23.2°F (-4.9°C). Weather in December »
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Frequently asked questions

What are the most humid months in Amherst?

The months with the highest humidity are January and February, with an average relative humidity of 66%.

What is the driest month in Amherst?

The month with the least rainfall in Amherst, Colorado, is January, when the rain falls for 5.8 days and typically collects 0.43" (11mm) of precipitation.

How many days does it rain in Amherst?

Throughout the year, in Amherst, Colorado, there are 119.5 rainfall days, and 16.14" (410mm) of precipitation is accumulated.

When does it snow in Amherst?

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

How many days does it snow in Amherst?

In Amherst, during the entire year, snow falls for 37.9 days and aggregates up to 15.55" (395mm) of snow.

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

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

When does it snow the most in Amherst?

February is the month with the most snowfall in Amherst, Colorado. Snow falls for 8 days and accumulates 3.23" (82mm) of snow.

What is the month with the least sunshine in Amherst?

February and December, with an average of 6.2h of sunshine, are months with the least sunshine.

When is Daylight Saving Time (DST) in Amherst?

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 rainiest month in Amherst?

May is the month with the most rainfall. Rain falls for 17.8 days and accumulates 2.99" (76mm) of precipitation.

When it does not snow in Amherst?

June through September are months without snowfall.

When are the longest days in Amherst?

June has the longest days of the year in Amherst, with an average of 15h and 0min of daylight.

What month is the hottest in Amherst?

July, recognised by an average high temperature of 88.7°F (31.5°C) and a low of 66°F (18.9°C), is Amherst's warmest month.

What is the month with the most sunshine in Amherst?

July and August, with an average of 11.5h of sunshine, are months with the most sunshine in Amherst.

When is the highest UV index in Amherst?

With an average maximum UV index of 7, July is the month with the highest UV index.

What is the least humid month in Amherst?

With an average relative humidity of 51%, September is the least humid month.

What month is the coldest in Amherst?

With an average high-temperature of 39.2°F (4°C) and an average low-temperature of 23.2°F (-4.9°C), December is the coldest month in Amherst, Colorado.

What is the month with the shortest days in Amherst?

The month with the shortest days is December, with an average of 9h and 18min of daylight.

Average temperature
Amherst, CO

Average temperature - Amherst, CO

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is December (39.2°F).

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is December (23.2°F).

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Average pressure
Amherst, CO

Average pressure - Amherst, CO

The months with the highest atmospheric pressure are January and December (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).

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Average wind speed
Amherst, CO

Average wind speed - Amherst, CO

The windiest month (with the highest average wind speed) is April (12.4mph).
The calmest month (with the lowest average wind speed) is August (9.4mph).

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Average humidity
Amherst, CO

Average humidity - Amherst, CO

The months with the highest relative humidity are January and February (66%).
The month with the lowest relative humidity is September (51%).

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Average rainfall
Amherst, CO

Average rainfall - Amherst, CO

The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is January (0.43").

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Average rainfall days
Amherst, CO

Average rainfall days - Amherst, CO

The month with the highest number of rainy days is May (17.8 days).
The months with the least rainy days are November and December (4.2 days).

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Average snowfall
Amherst, CO

Average snowfall - Amherst, CO

The month with the highest snowfall is February (3.23").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Amherst, CO

Average snowfall days - Amherst, CO

The months with the highest number of snowfall days are January and February (8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Amherst, CO

Average daylight / Average sunshine - Amherst, CO

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

The months with the most sunshine are July and August (Average sunshine: 11h and 30min).
The months with the least sunshine are February and December (Average sunshine: 6h and 12min).

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Average sunshine days
Amherst, CO

Average sunshine days - Amherst, CO

The month with the most sunshine days is November (22.7 days).
The month with the least sunshine days is May (10.6 days).

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Average UV index
Amherst, CO

Average UV index - Amherst, CO

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

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Average visibility
Amherst, CO

Average visibility - Amherst, 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).

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Amherst, Colorado, USA

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