May weather forecast
Foster, MO

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Weather in May

The last month of the spring, May, is a warm month in Foster, Missouri, with an average temperature varying between 56.3°F (13.5°C) and 73.8°F (23.2°C).

Temperature

May introduces a minor temperature shift, with average high-temperatures adjusting from April's enjoyable 65.5°F (18.6°C) to a moderately hot 73.8°F (23.2°C). During May, the nighttime temperature in Foster, Missouri, averages to a refreshing 56.3°F (13.5°C).

Humidity

The most humid month is May, with an average relative humidity of 81%.

Rainfall

May is the month with the most rainfall. Rain falls for 16.8 days and accumulates 4.49" (114mm) of precipitation.

Snowfall

January through March, May, October through December are months with snowfall in Foster. May is the first month it typically snows. Throughout May, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Foster, during the entire year, snow falls for 12.2 days and aggregates up to 4.29" (109mm) of snow.

Daylight

In Foster, the average length of the day in May is 14h and 16min.
On the first day of the month, sunrise is at 6:20 am and sunset at 8:09 pm. On the last day of May, sunrise is at 5:56 am and sunset at 8:35 pm CDT.

Sunshine

In May, the average sunshine in Foster, Missouri, is 8.8h.

UV index

The average daily maximum UV index in May in Foster is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In May, the maximum UV index of 6 suggests these recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
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Frequently asked questions

What is the temperature in May in Foster?

The average high-temperature and low-temperature in Foster, Missouri, during May are 73.8°F (23.2°C) and 56.3°F (13.5°C) respectively.

What is the most humid month in Foster?

The most humid month in Foster is May, with an average relative humidity of 81%.

What is the average humidity in May in Foster?

The average relative humidity in May in Foster is 81%.

What is the rainiest month in Foster?

May is the month with the most rainfall in Foster. Rain falls for 16.8 days and accumulates 4.49" (114mm) of precipitation.

How much does it rain in Foster in May?

In Foster, during May, the rain falls for 16.8 days and regularly aggregates up to 4.49" (114mm) of precipitation.

When does it start snowing in Foster?

May is the first month it typically snows in Foster, Missouri. Throughout May, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow.

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

In Foster, Missouri, the average day length in May is 14h and 16min.

When are sunrise and sunset in May in Foster?

On the first day of May in Foster, sunrise is at 6:20 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 8:35 pm CDT.

How many hours of sunshine does Foster have in May?

The average sunshine duration in May in Foster is 8.8h.

What is the UV index intensity in May in Foster?

In Foster, Missouri, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.
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
Foster, MO

Average temperature in May - Foster, MO
  • Average high temperature in May: 73.8°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.9°F).

  • Average low temperature in May: 56.3°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

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Average pressure in May
Foster, MO

Average pressure in May - Foster, MO
  • Average pressure in May: 29.94"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in May
Foster, MO

Average wind speed in May - Foster, MO
  • Average wind speed in May: 8.5mph

The windiest month (with the highest average wind speed) is March (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

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Average humidity in May
Foster, MO

Average humidity in May - Foster, MO
  • Average humidity in May: 81%

The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in May
Foster, MO

Average rainfall in May - Foster, MO
  • Average rainfall in May: 4.49"

The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is January (0.79").

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Average rainfall days in May
Foster, MO

Average rainfall days in May - Foster, MO
  • Average rainfall days in May: 16.8 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (5 days).

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Average snowfall in May
Foster, MO

Average snowfall in May - Foster, MO
  • Average snowfall in May: 0.04"

The month with the highest snowfall is February (1.69").
The months with the least snowfall are April, June, July, August and September (0").

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Average snowfall days in May
Foster, MO

Average snowfall days in May - Foster, MO
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is February (4 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
Foster, MO

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

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).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).

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Average sunshine days in May
Foster, MO

Average sunshine days in May - Foster, MO
  • Average sunshine days in May: 12.2 days

The month with the most sunshine days is January (22.7 days).
The month with the least sunshine days is May (12.2 days).

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Average UV index in May
Foster, MO

Average UV index in May - Foster, MO
  • Average UV index in May: 6

The month with the highest UV index is June (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
Foster, MO

Average cloud cover in May - Foster, MO
  • Average cloud cover in May: 38

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 25).

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Average visibility in May
Foster, MO

Average visibility in May - Foster, 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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Foster, Missouri, USA

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