May weather forecast
Altamont, MO

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Weather in May

The last month of the spring, May, is an agreeable month in Altamont, Missouri, with an average temperature fluctuating between 71.6°F (22°C) and 54.9°F (12.7°C).

Temperature

In Altamont, the average high-temperature in May slightly increases from a refreshing 63°F (17.2°C) in April to a pleasant 71.6°F (22°C). Altamont's temperature lowers to a mean of 54.9°F (12.7°C) during the nights in May.

Humidity

May through July, with an average relative humidity of 80%, are the most humid months.

Rainfall

In Altamont, Missouri, during May, the rain falls for 17.2 days and regularly aggregates up to 3.46" (88mm) of precipitation. Throughout the year, there are 129.6 rainfall days, and 26.02" (661mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.2 snowfall days, in May, Altamont aggregates 0.31" (8mm) of snow. In Altamont, Missouri, during the entire year, snow falls for 25.5 days and aggregates up to 11.61" (295mm) of snow.

Daylight

The average length of the day in May is 14h and 24min.
On the first day of the month, sunrise is at 6:15 am and sunset at 8:11 pm. On the last day of May, sunrise is at 5:49 am and sunset at 8:38 pm CDT.

Sunshine

In May, the average sunshine in Altamont, Missouri, is 8.5h.

UV index

In Altamont, Missouri, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: During May, 5 as the daily maximum UV index converts into the following advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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Frequently asked questions

What is the usual temperature for Altamont in May?

The high-temperature, in May, in Altamont, is 71.6°F (22°C), while the low-temperature averages to 54.9°F (12.7°C).

What is the most humid month in Altamont?

May through July, with an average relative humidity of 80%, are most humid months in Altamont, Missouri.

What is the average humidity in May in Altamont?

In Altamont, the average relative humidity in May is 80%.

How much does it rain in Altamont in May?

In Altamont, Missouri, during May, the rain falls for 17.2 days and regularly aggregates up to 3.46" (88mm) of precipitation.

What is the last month it snows in Altamont?

May is the last month it regularly snows. During 0.2 snowfall days, in May, Altamont aggregates 0.31" (8mm) of snow.

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

In Altamont, Missouri, the average day length in May is 14h and 24min.

When are sunrise and sunset in May in Altamont?

In May, on the first day of the month, sunrise is at 6:15 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:38 pm CDT.

How many hours of sunshine does Altamont have in May?

The average sunshine duration in May is 8.5h.

How high is the UV index in May in Altamont?

In May, the average daily maximum UV index in Altamont, Missouri, is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
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
Altamont, MO

Average temperature in May - Altamont, MO
  • Average high temperature in May: 71.6°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in May: 54.9°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

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Average pressure in May
Altamont, MO

Average pressure in May - Altamont, MO
  • Average pressure in May: 29.93"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in May
Altamont, MO

Average wind speed in May - Altamont, MO
  • Average wind speed in May: 8mph

The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

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Average humidity in May
Altamont, MO

Average humidity in May - Altamont, MO
  • Average humidity in May: 80%

The months with the highest relative humidity are May, June and July (80%).
The months with the lowest relative humidity are October and November (71%).

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Average rainfall in May
Altamont, MO

Average rainfall in May - Altamont, MO
  • Average rainfall in May: 3.46"

The wettest month (with the highest rainfall) is June (3.82").
The driest month (with the least rainfall) is February (0.94").

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Average rainfall days in May
Altamont, MO

Average rainfall days in May - Altamont, MO
  • Average rainfall days in May: 17.2 days

The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (4.2 days).

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Average snowfall in May
Altamont, MO

Average snowfall in May - Altamont, MO
  • Average snowfall in May: 0.31"

The month with the highest snowfall is January (3.9").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Altamont, MO

Average snowfall days in May - Altamont, MO
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (7.7 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
Altamont, MO

Average daylight in May / Average sunshine in May - Altamont, MO
  • Average daylight in May: 14h and 2min

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 24min).

  • Average sunshine in May: 8h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

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Average sunshine days in May
Altamont, MO

Average sunshine days in May - Altamont, MO
  • Average sunshine days in May: 11.3 days

The month with the most sunshine days is December (21.1 days).
The month with the least sunshine days is May (11.3 days).

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Average UV index in May
Altamont, MO

Average UV index in May - Altamont, MO
  • Average UV index in May: 5

The months with the highest UV index are June, July and August (UV index 6).
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
Altamont, MO

Average cloud cover in May - Altamont, MO
  • Average cloud cover in May: 41

The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 28).

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Average visibility in May
Altamont, MO

Average visibility in May - Altamont, MO
  • 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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Altamont, Missouri, USA

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