Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May's arrival is noted with a slight increase in the average high-temperature, moving from a comfortable 65.1°F (18.4°C) in April to an agreeable 72.9°F (22.7°C). The low-temperature average for Altona during May stands at a refreshing 56.3°F (13.5°C).Humidity
The most humid month in Altona, Missouri, is May, with an average relative humidity of 81%.Rainfall
May is the month with the most rainfall in Altona. Rain falls for 15.2 days and accumulates 2.6" (66mm) of precipitation.Snowfall
Months with snowfall in Altona are January through March, May, October through December. May is the first month it typically snows in Altona. Throughout May, in the average 0.3 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, in Altona, there are 11.5 snowfall days, and 2.2" (56mm) of snow is accumulated.Daylight
The average length of the day in May in Altona is 14h and 17min.On the first day of May in Altona, sunrise is at 6:18 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:34 pm CDT.
Sunshine
In Altona, Missouri, the average sunshine in May is 8.7h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In May, the UV index of 6 transforms into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What are May temperatures in Altona?
What is the most humid month in Altona?
What is the average humidity in May in Altona?
What is the wettest month in Altona?
How many days does it rain in May in Altona?
When does it start snowing in Altona?
How many hours of daylight does Altona have in May?
What time are sunrise and sunset in May in Altona?
How long on average sun shines in May in Altona?
What is the month with the highest UV index in Altona?
How high is the UV index in May in Altona?
Average temperature in May
Altona, MO
- Average high temperature in May: 72.9°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.8°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 (24.3°F).
Average pressure in May
Altona, 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 (29.9"Hg).
Average wind speed in May
Altona, MO
- Average wind speed in May: 8.4mph
The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in May
Altona, 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%).
Average rainfall in May
Altona, MO
- Average rainfall in May: 2.6"
The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in May
Altona, MO
- Average rainfall days in May: 15.2 days
The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (3.5 days).
Average snowfall in May
Altona, MO
- Average snowfall in May: 0.16"
The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, June, July, August and September (0").
Average snowfall days in May
Altona, MO
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Altona, 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 30min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in May
Altona, MO
- Average sunshine days in May: 12.8 days
The month with the most sunshine days is January (25.2 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in May
Altona, MO
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Altona, MO
- Average cloud cover in May: 39
The month with the most cloud cover is March (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility in May
Altona, 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).
Altona, Missouri, USA
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