May weather forecastRandall, IA
May
Weather in May
May, the last month of the spring in Randall, is an agreeable month, with an average temperature fluctuating between 69.3°F (20.7°C) and 52.5°F (11.4°C).Temperature
May brings a rise in Randall's average high-temperature, moving from a moderate 57.7°F (14.3°C) in April to a pleasant 69.3°F (20.7°C). May nights in Randall observe an average temperature dip to a cool 52.5°F (11.4°C).Humidity
In May, the average relative humidity is 75%.Rainfall
May is the month with the most rainfall. Rain falls for 19.2 days and accumulates 4.49" (114mm) of precipitation.Snowfall
Months with snowfall in Randall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Randall aggregates 0.39" (10mm) of snow. In Randall, Iowa, during the entire year, snow falls for 45.8 days and aggregates up to 16.85" (428mm) of snow.Daylight
The average length of the day in May in Randall is 14h and 37min.On the first day of the month, sunrise is at 6:08 am and sunset at 8:14 pm. On the last day of May, in Randall, sunrise is at 5:40 am and sunset at 8:43 pm CDT.
Sunshine
In Randall, the average sunshine in May is 8.6h.UV index
In May, the average daily maximum UV index in Randall is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 5 in May leads to these recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Randall, IA
- Average high temperature in May: 69.3°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (25.5°F).
- Average low temperature in May: 52.5°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure in May
Randall, IA
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in May
Randall, IA
- Average wind speed in May: 9.3mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in May
Randall, IA
- Average humidity in May: 75%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (70%).
Average rainfall in May
Randall, IA
- 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 (0.98").
Average rainfall days in May
Randall, IA
- Average rainfall days in May: 19.2 days
The months with the highest number of rainy days are May and June (19.2 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in May
Randall, IA
- Average snowfall in May: 0.39"
The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Randall, IA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Randall, IA
- Average daylight in May: 14h and 36min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 8h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in May
Randall, IA
- Average sunshine days in May: 9.7 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (8.5 days).
Average UV index in May
Randall, IA
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in May
Randall, IA
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in May
Randall, IA
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
