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
As May begins, there is an increase in the average high-temperature, moving from a mild 58.8°F (14.9°C) in April to an agreeable 69.4°F (20.8°C). During the month of May, Westphalia experiences a steady low-temperature average of 52.9°F (11.6°C).Humidity
The average relative humidity in May is 73%.Rainfall
In Westphalia, in May, during 15.7 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. In Westphalia, Iowa, during the entire year, the rain falls for 113.5 days and collects up to 15.71" (399mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Westphalia. May is the last month it regularly snows. During 0.3 snowfall days, in May, Westphalia aggregates 0.16" (4mm) of snow. Throughout the year, there are 31.5 snowfall days, and 7.13" (181mm) of snow is accumulated.Daylight
In Westphalia, Iowa, the average length of the day in May is 14h and 34min.On the first day of the month, sunrise is at 6:16 am and sunset at 8:20 pm. On the last day of May, in Westphalia, Iowa, sunrise is at 5:49 am and sunset at 8:49 pm CDT.
Sunshine
In May, the average sunshine is 8.8h.UV index
In Westphalia, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 5 during May translates into the following directions:
Exercise prevention - Warding off sunburn is urged. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
What are the temperatures in Westphalia in May?
What is the average humidity in May in Westphalia?
How many days does it rain in May in Westphalia?
What is the last month it snows in Westphalia?
What is the average length of the day in May in Westphalia?
When is the sunrise / sunset in May in Westphalia?
How many hours of sunshine does Westphalia have in May?
What is the UV index intensity in May in Westphalia?
Average temperature in May
Westphalia, IA
- Average high temperature in May: 69.4°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in May: 52.9°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).
Average pressure in May
Westphalia, IA
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in May
Westphalia, IA
- Average wind speed in May: 9.3mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).
Average humidity in May
Westphalia, IA
- Average humidity in May: 73%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (68%).
Average rainfall in May
Westphalia, IA
- Average rainfall in May: 2.6"
The wettest month (with the highest rainfall) is June (2.64").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in May
Westphalia, IA
- Average rainfall days in May: 15.7 days
The month with the highest number of rainy days is June (16.1 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in May
Westphalia, IA
- Average snowfall in May: 0.16"
The month with the highest snowfall is February (2.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Westphalia, IA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Westphalia, 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 12min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in May
Westphalia, IA
- Average sunshine days in May: 12.8 days
The month with the most sunshine days is December (21.6 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in May
Westphalia, IA
- 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, October, November and December (UV index 2).
Average cloud cover in May
Westphalia, IA
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in May
Westphalia, IA
- 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).
Westphalia, Iowa, USA
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