May weather forecast
Carter, MT

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Weather in May

May, the last month of the spring in Carter, is a comfortable month, with temperature in the range of an average high of 63°F (17.2°C) and an average low of 44.2°F (6.8°C).

Temperature

May sees a rise in the average high-temperature, climbing from a fresh 53.2°F (11.8°C) in April to a comfortable 63°F (17.2°C). Nighttime temperature lowers to an average of 44.2°F (6.8°C) in May.

Humidity

In Carter, the average relative humidity in May is 57%.

Rainfall

In Carter, in May, it is raining for 15.6 days, with typically 2.01" (51mm) of accumulated precipitation. In Carter, during the entire year, the rain falls for 119.1 days and collects up to 13.43" (341mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. May is the last month it regularly snows in Carter. During 0.4 snowfall days, in May, Carter aggregates 0.2" (5mm) of snow. In Carter, during the entire year, snow falls for 58.3 days and aggregates up to 29.37" (746mm) of snow.

Daylight

The average length of the day in May is 15h and 11min.
On the first day of May in Carter, sunrise is at 6:04 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 5:29 am and sunset at 9:13 pm MDT.

Sunshine

The average sunshine in May is 10.4h.

UV index

The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 4 in May interprets into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature in Carter?

Carter in May has an average high-temperature of 63°F (17.2°C) and an average low-temperature of 44.2°F (6.8°C).

What is the average humidity in May in Carter?

In May, the average relative humidity in Carter is 57%.

How many days does it rain in May in Carter?

In Carter, Montana, during May, the rain falls for 15.6 days and regularly aggregates up to 2.01" (51mm) of precipitation.

What is the last month it snows in Carter?

May is the last month it regularly snows in Carter. During 0.4 snowfall days, in May, Carter aggregates 0.2" (5mm) of snow.

What is the average length of the day in May in Carter?

In May, the average day length in Carter, Montana, is 15h and 11min.

When are sunrise and sunset in May in Carter?

In May, on the first day of the month, sunrise is at 6:04 am and sunset at 8:37 pm. On the last day of the month, in Carter, Montana, sunrise is at 5:29 am and sunset at 9:13 pm MDT.

How many hours of sunshine does Carter have in May?

The average sunshine duration in May in Carter, Montana, is 10.4h.

How high is the UV index in May in Carter?

In Carter, Montana, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Carter, MT

Average temperature in May - Carter, MT
  • Average high temperature in May: 63°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is December (29.8°F).

  • Average low temperature in May: 44.2°F

The month with the highest average low temperature is August (60.4°F).
The coldest month (with the lowest average low temperature) is February (18.1°F).

Average pressure in May
Carter, MT

Average pressure in May - Carter, MT
  • Average pressure in May: 29.93"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in May
Carter, MT

Average wind speed in May - Carter, MT
  • Average wind speed in May: 9.3mph

The windiest months (with the highest average wind speed) are January and November (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).

Average humidity in May
Carter, MT

Average humidity in May - Carter, MT
  • Average humidity in May: 57%

The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (39%).

Average rainfall in May
Carter, MT

Average rainfall in May - Carter, MT
  • Average rainfall in May: 2.01"

The wettest month (with the highest rainfall) is June (2.05").
The driest month (with the least rainfall) is December (0.67").

Average rainfall days in May
Carter, MT

Average rainfall days in May - Carter, MT
  • Average rainfall days in May: 15.6 days

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (5.3 days).

Average snowfall in May
Carter, MT

Average snowfall in May - Carter, MT
  • Average snowfall in May: 0.2"

The month with the highest snowfall is February (5.51").
The months with the least snowfall are June, July and August (0").

Average snowfall days in May
Carter, MT

Average snowfall days in May - Carter, MT
  • Average snowfall days in May: 0.4 days

The month with the highest number of snowfall days is February (12.2 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in May /
Average sunshine in May
Carter, MT

Average daylight in May / Average sunshine in May - Carter, MT
  • Average daylight in May: 15h and 1min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in May: 10h and 2min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 30min).

Average sunshine days in May
Carter, MT

Average sunshine days in May - Carter, MT
  • Average sunshine days in May: 12.9 days

The month with the most sunshine days is September (19.3 days).
The month with the least sunshine days is April (11.2 days).

Average UV index in May
Carter, MT

Average UV index in May - Carter, MT
  • Average UV index in May: 4

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in May
Carter, MT

Average cloud cover in May - Carter, MT
  • Average cloud cover in May: 33

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 14).

Average visibility in May
Carter, MT

Average visibility in May - Carter, MT
  • 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).

Carter, Montana, USA

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