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 signals a shift in the average high-temperature, moving from April's refreshing 58.5°F (14.7°C) to a pleasant 68.9°F (20.5°C). In Manilla, May nights witness a steady temperature drop to a fresh 52.5°F (11.4°C).Humidity
In Manilla, the average relative humidity in May is 73%.Rainfall
May is the month with the most rainfall. Rain falls for 18.2 days and accumulates 4.21" (107mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Manilla aggregates 0.28" (7mm) of snow. In Manilla, during the entire year, snow falls for 41.5 days and aggregates up to 18.23" (463mm) of snow.Daylight
In May, the average length of the day is 14h and 34min.On the first day of the month, sunrise is at 6:15 am and sunset at 8:20 pm. On the last day of May, sunrise is at 5:48 am and sunset at 8:49 pm CDT.
Sunshine
In May, the average sunshine is 8.5h.UV index
In Manilla, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 5 in May interprets into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
What is the wettest month?
How many days does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
Manilla, IA
- Average high temperature in May: 68.9°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in May: 52.5°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).
Average pressure in May
Manilla, IA
- Average pressure in May: 29.93"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
Manilla, IA
- Average wind speed in May: 9.4mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in May
Manilla, IA
- Average humidity in May: 73%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are April and October (69%).
Average rainfall in May
Manilla, IA
- Average rainfall in May: 4.21"
The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in May
Manilla, IA
- Average rainfall days in May: 18.2 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in May
Manilla, IA
- Average snowfall in May: 0.28"
The month with the highest snowfall is February (4.96").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Manilla, IA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Manilla, 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in May
Manilla, IA
- Average sunshine days in May: 10.8 days
The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in May
Manilla, 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
Manilla, IA
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in May
Manilla, IA
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Manilla, Iowa, USA
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