May weather forecast
Ottawa, WV

Share

Weather in May

The last month of the spring, May, is a warm month in Ottawa, West Virginia, with an average temperature varying between 54.1°F (12.3°C) and 74.8°F (23.8°C).

Temperature

Ottawa, West Virginia, in May experiences an increase in the average high-temperature, moving from April's refreshing 64.9°F (18.3°C) to a moderately hot 74.8°F (23.8°C). An average low-temperature of 54.1°F (12.3°C) is observed during the May nights.

Humidity

In Ottawa, West Virginia, the average relative humidity in May is 78%.

Rainfall

The month with the most rainfall is May, when the rain falls for 20.6 days and typically aggregates up to 3.74" (95mm) of precipitation.

Snowfall

In Ottawa, snow does not fall in May through September.

Daylight

The average length of the day in May is 14h and 14min.
On the first day of the month, sunrise is at 6:30 am and sunset at 8:18 pm. On the last day of May, sunrise is at 6:06 am and sunset at 8:43 pm EDT.

Sunshine

The average sunshine in May is 9h.

UV index

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: A maximum UV index of 5 in May translates into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

The average high-temperature, in May, in Ottawa, is 74.8°F (23.8°C), while the average low-temperature is 54.1°F (12.3°C).

What is the average humidity in May?

In May, the average relative humidity is 78%.

What is the rainiest month?

The month with the most rainfall is May, when the rain falls for 20.6 days and typically aggregates up to 3.74" (95mm) of precipitation.

How many days does it rain in May in Ottawa?

In Ottawa, in May, it is raining for 20.6 days, with typically 3.74" (95mm) of accumulated precipitation.

When it does not snow?

May through September are months without snowfall.

Does it snow in May?

In May, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Ottawa have in May?

In May, the average day length is 14h and 14min.

When are sunrise and sunset in May in Ottawa?

On the first day of May, sunrise is at 6:30 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 8:43 pm EDT.

How many hours of sunshine does Ottawa have in May?

In Ottawa, West Virginia, the average sunshine duration in May is 9h.

What is the UV index reading in May?

In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Ottawa, WV

Average temperature in May - Ottawa, WV
  • Average high temperature in May: 74.8°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in May: 54.1°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).

Average pressure in May
Ottawa, WV

Average pressure in May - Ottawa, WV
  • Average pressure in May: 30.02"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in May
Ottawa, WV

Average wind speed in May - Ottawa, WV
  • Average wind speed in May: 5.6mph

The windiest months (with the highest average wind speed) are January and February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).

Average humidity in May
Ottawa, WV

Average humidity in May - Ottawa, WV
  • Average humidity in May: 78%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are June, July, August and November (76%).

Average rainfall in May
Ottawa, WV

Average rainfall in May - Ottawa, WV
  • Average rainfall in May: 3.74"

The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is September (1.77").

Average rainfall days in May
Ottawa, WV

Average rainfall days in May - Ottawa, WV
  • Average rainfall days in May: 20.6 days

The month with the highest number of rainy days is May (20.6 days).
The month with the least rainy days is November (10.9 days).

Average snowfall in May
Ottawa, WV

Average snowfall in May - Ottawa, WV
  • Average snowfall in May: 0"

The months with the highest snowfall are January and February (5.12").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Ottawa, WV

Average snowfall days in May - Ottawa, WV
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Ottawa, WV

Average daylight in May / Average sunshine in May - Ottawa, WV
  • Average daylight in May: 14h and 1min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in May: 9h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in May
Ottawa, WV

Average sunshine days in May - Ottawa, WV
  • Average sunshine days in May: 9.3 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is February (8.7 days).

Average UV index in May
Ottawa, WV

Average UV index in May - Ottawa, WV
  • 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
Ottawa, WV

Average cloud cover in May - Ottawa, WV
  • Average cloud cover in May: 44

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in May
Ottawa, WV

Average visibility in May - Ottawa, WV
  • Average visibility in May: 5mi

The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).

Ottawa, West Virginia, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location