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 an increase in the average high-temperature, progressing from a mild 55.8°F (13.2°C) in April to a comfortable 66.9°F (19.4°C). Manchester witnesses an average low-temperature of 50.5°F (10.3°C) throughout the month of May.Humidity
In Manchester, Iowa, the average relative humidity in May is 80%.Rainfall
The month with the most rainfall is May, when the rain falls for 14.9 days and typically aggregates up to 2.13" (54mm) of precipitation.Snowfall
In Manchester, Iowa, snow does not fall in May through September.Daylight
The average length of the day in May is 14h and 38min.On the first day of the month, sunrise is at 5:59 am and sunset at 8:06 pm. On the last day of May, sunrise is at 5:31 am and sunset at 8:36 pm CDT.
Sunshine
In May, the average sunshine in Manchester is 8.1h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index in Manchester, Iowa. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The daily maximum UV index of 5 in May interprets into the following advice:
Take necessary precautions - Defending against sun damage is advocated. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
What is the rainiest month?
How much does it rain in May?
When it does not snow in Manchester?
Does it snow in May?
How many hours of daylight does Manchester have in May?
What time are sunrise and sunset in May?
How long on average sun shines in May in Manchester?
What are the months with the highest UV index?
How high is the UV index in May?
Average temperature in May
Manchester, IA
- Average high temperature in May: 66.9°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in May: 50.5°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in May
Manchester, IA
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Manchester, IA
- Average wind speed in May: 9.3mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in May
Manchester, IA
- Average humidity in May: 80%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and October (75%).
Average rainfall in May
Manchester, IA
- Average rainfall in May: 2.13"
The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is December (0.47").
Average rainfall days in May
Manchester, IA
- Average rainfall days in May: 14.9 days
The month with the highest number of rainy days is June (15.4 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in May
Manchester, IA
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.13").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Manchester, IA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Manchester, 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 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in May
Manchester, IA
- Average sunshine days in May: 12.9 days
The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is June (11.7 days).
Average UV index in May
Manchester, IA
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in May
Manchester, IA
- Average cloud cover in May: 46
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in May
Manchester, IA
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
Manchester, Iowa, USA
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