May weather forecast
Amherst, CO

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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).

Temperature

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). Amherst experiences a steady low-temperature of 49.1°F (9.5°C) throughout May.

Humidity

In Amherst, the average relative humidity in May is 59%.

Rainfall

The month with the most rainfall is May, when the rain falls for 17.8 days and typically aggregates up to 2.99" (76mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.8 snowfall days, in May, Amherst aggregates 0.55" (14mm) of snow. Throughout the year, there are 37.9 snowfall days, and 15.55" (395mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 28min.
On the first day of May, sunrise is at 5:46 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 8:13 pm MDT.

Sunshine

In May, the average sunshine is 10.1h.

UV index

In Amherst, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 5 in May translates into this advice:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Stay sun-safe with clothing that is both closely woven and worn loosely. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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Frequently asked questions

What is the usual temperature for Amherst in May?

An average high-temperature, in May, in Amherst, is 69.4°F (20.8°C) and the average low-temperature is 49.1°F (9.5°C).

What is the average humidity in May in Amherst?

In May, the average relative humidity in Amherst is 59%.

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.

How much does it rain in Amherst in May?

In Amherst, Colorado, in May, during 17.8 rainfall days, 2.99" (76mm) of precipitation is typically accumulated.

What is the last month it snows in Amherst?

May is the last month it regularly snows in Amherst, Colorado. During 0.8 snowfall days, in May, Amherst aggregates 0.55" (14mm) of snow.

How many hours of daylight does Amherst have in May?

In May, the average day length in Amherst, Colorado, is 14h and 28min.

What time are sunrise and sunset in May in Amherst?

In May, on the first day of the month, sunrise is at 5:46 am and sunset at 7:45 pm. On the last day of the month, in Amherst, Colorado, sunrise is at 5:19 am and sunset at 8:13 pm MDT.

How long on average sun shines in May in Amherst?

In May, the average sunshine duration in Amherst, Colorado, is 10.1h.

How high is the UV index in May in Amherst?

The average daily maximum UV index in May in Amherst, Colorado, is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Amherst, CO

Average temperature in May - Amherst, CO
  • Average high temperature in May: 69.4°F

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).

  • Average low temperature in May: 49.1°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 in May
Amherst, CO

Average pressure in May - Amherst, CO
  • Average pressure in May: 29.88"Hg

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 in May
Amherst, CO

Average wind speed in May - Amherst, CO
  • Average wind speed in May: 11.2mph

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 in May
Amherst, CO

Average humidity in May - Amherst, CO
  • Average humidity in May: 59%

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 in May
Amherst, CO

Average rainfall in May - Amherst, CO
  • Average rainfall in May: 2.99"

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 in May
Amherst, CO

Average rainfall days in May - Amherst, CO
  • Average rainfall days in May: 17.8 days

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 in May
Amherst, CO

Average snowfall in May - Amherst, CO
  • Average snowfall in May: 0.55"

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 in May
Amherst, CO

Average snowfall days in May - Amherst, CO
  • Average snowfall days in May: 0.8 days

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 in May /
Average sunshine in May
Amherst, CO

Average daylight in May / Average sunshine in May - Amherst, CO
  • Average daylight in May: 14h and 3min

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).

  • Average sunshine in May: 10h and 1min

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 in May
Amherst, CO

Average sunshine days in May - Amherst, CO
  • Average sunshine days in May: 10.6 days

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 in May
Amherst, CO

Average UV index in May - Amherst, CO
  • Average UV index in May: 5

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 cloud cover in May
Amherst, CO

Average cloud cover in May - Amherst, CO
  • Average cloud cover in May: 32

The month with the most cloud cover is February (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 19).

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Average visibility in May
Amherst, CO

Average visibility in May - Amherst, CO
  • Average visibility in May: 6mi

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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