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 brings a temperature increase, with average high-temperatures moving from April's moderate 57.6°F (14.2°C) to an agreeable 69.4°F (20.8°C). Callender experiences a mean low-temperature of 52.9°F (11.6°C) during May.Humidity
In Callender, Iowa, the average relative humidity in May is 72%.Rainfall
In Callender, in May, it is raining for 17.1 days, with typically 3.5" (89mm) of accumulated precipitation. In Callender, during the entire year, the rain falls for 130.9 days and collects up to 24.96" (634mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Callender aggregates 0.08" (2mm) of snow. Throughout the year, there are 43.2 snowfall days, and 17.01" (432mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 37min.On the first day of May, sunrise is at 6:11 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:47 pm CDT.
Sunshine
The average sunshine in May is 8.6h.UV index
In Callender, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high UV index of 5 in May translates into the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
How many hours of daylight does Callender have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Callender have in May?
What is the UV index reading in May?
Average temperature in May
Callender, IA
- Average high temperature in May: 69.4°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in May: 52.9°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).
Average pressure in May
Callender, 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
Callender, IA
- Average wind speed in May: 9.4mph
The windiest month (with the highest average wind speed) is April (11mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).
Average humidity in May
Callender, IA
- Average humidity in May: 72%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and October (69%).
Average rainfall in May
Callender, IA
- Average rainfall in May: 3.5"
The wettest month (with the highest rainfall) is June (3.98").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in May
Callender, IA
- Average rainfall days in May: 17.1 days
The month with the highest number of rainy days is June (18.3 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in May
Callender, IA
- Average snowfall in May: 0.08"
The month with the highest snowfall is February (4.88").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Callender, IA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Callender, IA
- Average daylight in May: 14h and 4min
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 6min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in May
Callender, IA
- Average sunshine days in May: 12.1 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is June (9.9 days).
Average UV index in May
Callender, 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 and February (UV index 1).
Average cloud cover in May
Callender, IA
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and September (Cloud cover 31).
Average visibility in May
Callender, 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).
Callender, Iowa, USA
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