Contents
- Weather in June
- Frequently asked questions
- Average temperature in June
- Average pressure in June
- Average wind speed in June
- Average humidity in June
- Average rainfall in June
- Average rainfall days in June
- Average snowfall in June
- Average snowfall days in June
- Average daylight in June
- Average sunshine in June
- Average sunshine days in June
- Average UV index in June
- Average cloud cover in June
- Average visibility in June
Weather in June
Temperature
With the beginning of June, Lewis's average high-temperature sees an increase, transitioning from a pleasant 69.6°F (20.9°C) in May to a warm 79.9°F (26.6°C). Lewis experiences a mean temperature of 63.1°F (17.3°C) during June nights.Humidity
In Lewis, the average relative humidity in June is 79%.Rainfall
June is the month with the most rainfall. Rain falls for 16.4 days and accumulates 3.7" (94mm) of precipitation.Snowfall
In Lewis, snow does not fall in June through September.Daylight
The month with the longest days is June, with an average of 15h and 6min of daylight.On the first day of the month, sunrise is at 5:49 am and sunset at 8:47 pm. On the last day of June, sunrise is at 5:50 am and sunset at 8:57 pm CDT.
Sunshine
The average sunshine in June is 9.7h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index in Lewis. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 6 during June translates into these guidelines:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average June temperature in Lewis?
What is the average humidity in June?
What is the wettest month?
How much does it rain in June?
When it does not snow?
Does it snow in June?
When are the longest days?
How many hours of daylight does Lewis have in June?
When are sunrise and sunset in June?
How many hours of sunshine does Lewis have in June?
What are the months with the highest UV index?
What is the UV index reading in June?
Average temperature in June
Lewis, IA
- Average high temperature in June: 79.9°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in June: 63.1°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in June
Lewis, IA
- Average pressure in June: 29.87"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in June
Lewis, IA
- Average wind speed in June: 8.4mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in June
Lewis, IA
- Average humidity in June: 79%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (69%).
Average rainfall in June
Lewis, IA
- Average rainfall in June: 3.7"
The wettest month (with the highest rainfall) is June (3.7").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in June
Lewis, IA
- Average rainfall days in June: 16.4 days
The month with the highest number of rainy days is June (16.4 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in June
Lewis, IA
- Average snowfall in June: 0"
The month with the highest snowfall is February (2.36").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Lewis, IA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Lewis, IA
- Average daylight in June: 15h and 1min
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 June: 9h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in June
Lewis, IA
- Average sunshine days in June: 10.8 days
The month with the most sunshine days is December (21.2 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in June
Lewis, IA
- Average UV index in June: 6
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, October, November and December (UV index 2).
Average cloud cover in June
Lewis, IA
- Average cloud cover in June: 33
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in June
Lewis, IA
- Average visibility in June: 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).
Lewis, Iowa, USA
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