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
Lewis's weather in May shows a rise in the average high-temperature, moving up from April's moderate 58.8°F (14.9°C) to a pleasant 68.5°F (20.3°C). Lewis reports a significant contrast between daytime and nighttime temperatures, with an average low of 44.6°F (7°C) in May.Humidity
In Lewis, the average relative humidity in May is 34%.Rainfall
In May, the rain falls for 5.3 days. Throughout May, 0.51" (13mm) of precipitation is accumulated. Throughout the year, there are 78.9 rainfall days, and 9.84" (250mm) of precipitation is accumulated.Snowfall
In Lewis, snow does not fall in May through September.Daylight
The average length of the day in May is 14h and 13min.On the first day of May, sunrise is at 6:18 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 8:29 pm MDT.
Sunshine
In Lewis, Colorado, the average sunshine in May is 11.5h.UV index
In Lewis, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: During May, 5 as the daily maximum UV index converts into the following advice:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Lewis in May?
What is the average humidity in May in Lewis?
How much does it rain in Lewis in May?
When it does not snow in Lewis?
Does it snow in Lewis in May?
What is the average length of the day in May in Lewis?
When are sunrise and sunset in May in Lewis?
How long on average sun shines in May in Lewis?
What is the UV index intensity in May in Lewis?
Average temperature in May
Lewis, CO
- Average high temperature in May: 68.5°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in May: 44.6°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in May
Lewis, CO
- Average pressure in May: 29.88"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in May
Lewis, CO
- Average wind speed in May: 8.9mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is January (5.7mph).
Average humidity in May
Lewis, CO
- Average humidity in May: 34%
The month with the highest relative humidity is January (73%).
The month with the lowest relative humidity is June (26%).
Average rainfall in May
Lewis, CO
- Average rainfall in May: 0.51"
The wettest months (with the highest rainfall) are January and December (1.26").
The driest month (with the least rainfall) is June (0.2").
Average rainfall days in May
Lewis, CO
- Average rainfall days in May: 5.3 days
The month with the highest number of rainy days is July (9.6 days).
The month with the least rainy days is June (2.8 days).
Average snowfall in May
Lewis, CO
- Average snowfall in May: 0"
The month with the highest snowfall is January (8.11").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Lewis, CO
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and December (8.5 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
Lewis, CO
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in May: 11h and 3min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 6h and 30min).
Average sunshine days in May
Lewis, CO
- Average sunshine days in May: 24.8 days
The month with the most sunshine days is June (26.2 days).
The month with the least sunshine days is February (17.6 days).
Average UV index in May
Lewis, CO
- 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
Lewis, CO
- Average cloud cover in May: 15
The months with the most cloud cover are January and December (Cloud cover 27).
The month with the least cloud cover is June (Cloud cover 9).
Average visibility in May
Lewis, CO
- 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).
Lewis, Colorado, USA
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