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
Delmar sees a rise in temperature during May, with average high-temperatures transitioning from a refreshing 56.7°F (13.7°C) in April to a pleasant 68.5°F (20.3°C). An average nighttime temperature of 51.6°F (10.9°C) is observed in Delmar during May.Humidity
In Delmar, the average relative humidity in May is 79%.Rainfall
May is the month with the most rainfall. Rain falls for 18.7 days and accumulates 4.53" (115mm) of precipitation.Snowfall
May through September are months without snowfall in Delmar, Iowa.Daylight
In May, the average length of the day in Delmar is 14h and 35min.On the first day of the month, sunrise is at 5:57 am and sunset at 8:01 pm. On the last day of May, in Delmar, Iowa, sunrise is at 5:29 am and sunset at 8:31 pm CDT.
Sunshine
The average sunshine in May is 8.4h.UV index
In Delmar, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 5 during May leads to these instructions:
Undertake precautions - Guarding against sun damage is counselled. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Frequently asked questions
What are the temperatures in Delmar in May?
What is the average humidity in May in Delmar?
What is the wettest month in Delmar?
How much does it rain in Delmar in May?
When it does not snow in Delmar?
Does it snow in Delmar in May?
What is the average length of the day in May in Delmar?
What time are sunrise and sunset in May in Delmar?
How long on average sun shines in May in Delmar?
What is the UV index reading in May in Delmar?
Average temperature in May
Delmar, IA
- Average high temperature in May: 68.5°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (25.9°F).
- Average low temperature in May: 51.6°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 (13.3°F).
Average pressure in May
Delmar, IA
- Average pressure in May: 29.95"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
Delmar, IA
- Average wind speed in May: 8.9mph
The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in May
Delmar, IA
- Average humidity in May: 79%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (74%).
Average rainfall in May
Delmar, IA
- Average rainfall in May: 4.53"
The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in May
Delmar, IA
- Average rainfall days in May: 18.7 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in May
Delmar, IA
- Average snowfall in May: 0"
The month with the highest snowfall is January (5.2").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Delmar, IA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (11 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
Delmar, 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 2min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The months with the least sunshine are January and February (Average sunshine: 3h and 54min).
Average sunshine days in May
Delmar, IA
- Average sunshine days in May: 10.2 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is May (10.2 days).
Average UV index in May
Delmar, IA
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Delmar, IA
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in May
Delmar, 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).
Delmar, Iowa, USA
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