May weather forecastYarmouth, IA
May
Weather in May
The last month of the spring, May, is an agreeable month in Yarmouth, Iowa, with an average temperature fluctuating between 70.9°F (21.6°C) and 54°F (12.2°C).Temperature
In May, the meteorological conditions change with the average high-temperature moving from a moderate 60.4°F (15.8°C) in April to an agreeable 70.9°F (21.6°C). Yarmouth's average low-temperature during May nights is observed to be a fresh 54°F (12.2°C).Humidity
In Yarmouth, the average relative humidity in May is 78%.Rainfall
The month with the most rainfall is May, when the rain falls for 16.7 days and typically aggregates up to 3.23" (82mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in May is 14h and 30min.On the first day of May, sunrise is at 6:02 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:30 pm CDT.
Sunshine
In May, the average sunshine is 8.8h.UV index
The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health hazard 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:
Act with care - Obligation to protect against skin and eye damage is highlighted. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Yarmouth, IA
- Average high temperature in May: 70.9°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in May: 54°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in May
Yarmouth, IA
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Yarmouth, IA
- Average wind speed in May: 8.9mph
The windiest months (with the highest average wind speed) are January, February, March and April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in May
Yarmouth, IA
- Average humidity in May: 78%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (70%).
Average rainfall in May
Yarmouth, IA
- Average rainfall in May: 3.23"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is December (0.87").
Average rainfall days in May
Yarmouth, IA
- Average rainfall days in May: 16.7 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in May
Yarmouth, IA
- Average snowfall in May: 0"
The month with the highest snowfall is January (3.03").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Yarmouth, IA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (10 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
Yarmouth, IA
- Average daylight in May: 14h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in May
Yarmouth, IA
- Average sunshine days in May: 10.6 days
The months with the most sunshine days are October and December (18.5 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in May
Yarmouth, IA
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in May
Yarmouth, IA
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in May
Yarmouth, IA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
