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's arrival signals an increase in average high-temperatures, moving from April's refreshing 58.8°F (14.9°C) to an agreeable 69.6°F (20.9°C). May brings with it a nighttime average temperature of 52.9°F (11.6°C) in Jamaica.Humidity
The average relative humidity in May is 75%.Rainfall
The month with the most rainfall is May, when the rain falls for 17.5 days and typically aggregates up to 4.17" (106mm) of precipitation.Snowfall
Months with snowfall in Jamaica, Iowa, are January through May, October through December. May is the last month it regularly snows in Jamaica. During 0.3 snowfall days, in May, Jamaica aggregates 0.24" (6mm) of snow. Throughout the year, there are 37.2 snowfall days, and 13.35" (339mm) of snow is accumulated.Daylight
In May, the average length of the day in Jamaica is 14h and 34min.On the first day of the month, sunrise is at 6:12 am and sunset at 8:16 pm. On the last day of May, in Jamaica, Iowa, sunrise is at 5:44 am and sunset at 8:45 pm CDT.
Sunshine
In May, the average sunshine in Jamaica is 8.7h.UV index
In Jamaica, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In May, a regular UV index of 5 translates into these guidelines:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What is the usual temperature for Jamaica in May?
What is the average humidity in May in Jamaica?
What is the rainiest month in Jamaica?
How much does it rain in Jamaica in May?
What is the last month it snows in Jamaica?
What is the average length of the day in May in Jamaica?
When is the sunrise / sunset in May in Jamaica?
How long on average sun shines in May in Jamaica?
What is the UV index reading in May in Jamaica?
Average temperature in May
Jamaica, IA
- Average high temperature in May: 69.6°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (27.1°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°F).
Average pressure in May
Jamaica, 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 (29.88"Hg).
Average wind speed in May
Jamaica, 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 (7mph).
Average humidity in May
Jamaica, IA
- Average humidity in May: 75%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (69%).
Average rainfall in May
Jamaica, IA
- Average rainfall in May: 4.17"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in May
Jamaica, IA
- Average rainfall days in May: 17.5 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in May
Jamaica, IA
- Average snowfall in May: 0.24"
The month with the highest snowfall is January (3.74").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Jamaica, IA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Jamaica, 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 4min
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
Jamaica, IA
- Average sunshine days in May: 11.4 days
The months with the most sunshine days are October, November and December (18.9 days).
The month with the least sunshine days is June (10.6 days).
Average UV index in May
Jamaica, 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
Jamaica, IA
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and September (Cloud cover 29).
Average visibility in May
Jamaica, 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).
Jamaica, Iowa, USA
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