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
A shift in the average high-temperature is noticeable in May, changing from a comfortable 61.7°F (16.5°C) in April to an agreeable 71.8°F (22.1°C). Nighttime temperature in Norwich experiences an average drop to a fresh 54.5°F (12.5°C) in May.Humidity
In Norwich, the average relative humidity in May is 74%.Rainfall
In Norwich, Iowa, during May, the rain falls for 16.3 days and regularly aggregates up to 4.13" (105mm) of precipitation. In Norwich, Iowa, during the entire year, the rain falls for 125.6 days and collects up to 26.14" (664mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In May, the average length of the day in Norwich is 14h and 28min.On the first day of the month, sunrise is at 6:18 am and sunset at 8:17 pm. On the last day of May, sunrise is at 5:51 am and sunset at 8:45 pm CDT.
Sunshine
The average sunshine in May in Norwich is 8.8h.UV index
In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In May, a daily maximum UV index of 5 leads to the following instructions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Norwich in May?
What is the average humidity in May in Norwich?
How many days does it rain in May in Norwich?
When it does not snow in Norwich?
Does it snow in Norwich in May?
How many hours of daylight does Norwich have in May?
When is the sunrise / sunset in May in Norwich?
How long on average sun shines in May in Norwich?
What is the UV index intensity in May in Norwich?
Average temperature in May
Norwich, IA
- Average high temperature in May: 71.8°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in May: 54.5°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in May
Norwich, IA
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in May
Norwich, IA
- Average wind speed in May: 8.6mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in May
Norwich, IA
- Average humidity in May: 74%
The months with the highest relative humidity are January and July (79%).
The month with the lowest relative humidity is October (67%).
Average rainfall in May
Norwich, IA
- Average rainfall in May: 4.13"
The wettest month (with the highest rainfall) is June (4.29").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days in May
Norwich, IA
- Average rainfall days in May: 16.3 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in May
Norwich, IA
- Average snowfall in May: 0"
The month with the highest snowfall is January (3.11").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Norwich, IA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Norwich, IA
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in May
Norwich, IA
- Average sunshine days in May: 12.4 days
The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in May
Norwich, IA
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Norwich, IA
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in May
Norwich, IA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Norwich, Iowa, USA
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