May weather forecastFortuna, MO
May
Weather in May
The last month of the spring, May, is a warm month in Fortuna, Missouri, with an average temperature ranging between max 74.5°F (23.6°C) and min 55.9°F (13.3°C).Temperature
May brings a rise in Fortuna's average high-temperature, moving from a comfortable 65.3°F (18.5°C) in April to a warm 74.5°F (23.6°C). Throughout May, Fortuna registers a consistent average low-temperature of 55.9°F (13.3°C).Humidity
With an average relative humidity of 79%, May is the most humid month.Rainfall
The month with the most rainfall is May, when the rain falls for 16.9 days and typically aggregates up to 4.25" (108mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in May is 14h and 17min.On the first day of the month, sunrise is at 6:12 am and sunset at 8:03 pm. On the last day of May, sunrise is at 5:48 am and sunset at 8:29 pm CDT.
Sunshine
In May, the average sunshine is 9h.UV index
The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health 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:
Be vigilant - Preventing sunburn is recommended. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Fortuna, MO
- Average high temperature in May: 74.5°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 (37.4°F).
- Average low temperature in May: 55.9°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure in May
Fortuna, MO
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Fortuna, MO
- Average wind speed in May: 7.8mph
The windiest months (with the highest average wind speed) are January and March (9.5mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in May
Fortuna, MO
- Average humidity in May: 79%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Fortuna, MO
- Average rainfall in May: 4.25"
The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is January (1.3").
Average rainfall days in May
Fortuna, MO
- Average rainfall days in May: 16.9 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (6.2 days).
Average snowfall in May
Fortuna, MO
- Average snowfall in May: 0"
The month with the highest snowfall is February (3.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Fortuna, MO
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Fortuna, MO
- Average daylight in May: 14h and 18min
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: 9h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 54min).
Average sunshine days in May
Fortuna, MO
- Average sunshine days in May: 10.9 days
The month with the most sunshine days is December (20.3 days).
The month with the least sunshine days is May (10.9 days).
Average UV index in May
Fortuna, 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).
Average cloud cover in May
Fortuna, MO
- Average cloud cover in May: 39
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June and August (Cloud cover 27).
Average visibility in May
Fortuna, 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).
