May weather forecast
Fairfax, IN

Weather in May

May, the last month of the spring in Fairfax, is an agreeable month, with an average temperature ranging between max 70.3°F (21.3°C) and min 53.1°F (11.7°C).

Temperature

In Fairfax, the average high-temperature in May increases from a moderate 58.3°F (14.6°C) in April to an agreeable 70.3°F (21.3°C). In May, in Fairfax, the average low-temperature is 53.1°F (11.7°C).

Humidity

The average relative humidity in May in Fairfax is 77%.

Rainfall

In Fairfax, during 17.8 rainfall days, 2.91" (74mm) of precipitation is typically accumulated. Throughout the year, in Fairfax, there are 151.9 rainfall days, and 23.39" (594mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Fairfax are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Fairfax aggregates 0.04" (1mm) of snow. In Fairfax, Indiana, during the entire year, snow falls for 50 days and aggregates up to 12.68" (322mm) of snow.

Daylight

In May, the average length of the day is 14h and 30min.
On the first day of the month, sunrise is at 6:37 am and sunset at 8:37 pm. On the last day of May, sunrise is at 6:10 am and sunset at 9:05 pm EDT.

Sunshine

In Fairfax, the average sunshine in May is 8.4h.

UV index

In Fairfax, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The daily maximum UV index of 5 in May interpret into the following advice:
Take precautions - Protection against skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in May in Fairfax?

In May, in Fairfax, the average high-temperature is 70.3°F (21.3°C), and the average low-temperature is 53.1°F (11.7°C).

What is the average humidity in May in Fairfax?

In Fairfax, the average relative humidity in May is 77%.

How many days does it rain in May in Fairfax?

In Fairfax, during May, the rain falls for 17.8 days and regularly aggregates up to 2.91" (74mm) of precipitation.

What is the last month it snows in Fairfax?

May is the last month it regularly snows in Fairfax, Indiana. During 0.1 snowfall days, in May, Fairfax aggregates 0.04" (1mm) of snow.

What is the average length of the day in May in Fairfax?

In May, the average day length in Fairfax is 14h and 30min.

What time are sunrise and sunset in May in Fairfax?

On the first day of May, sunrise is at 6:37 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 9:05 pm EDT.

How long on average sun shines in May in Fairfax?

In Fairfax, the average sunshine duration in May is 8.4h.

How high is the UV index in May in Fairfax?

The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Fairfax, IN

Average temperature in May - Fairfax, IN
  • Average high temperature in May: 70.3°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.7°F).

  • Average low temperature in May: 53.1°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).

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Average pressure in May
Fairfax, IN

Average pressure in May - Fairfax, IN
  • Average pressure in May: 29.97"Hg

The months with the highest atmospheric pressure are January and November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in May
Fairfax, IN

Average wind speed in May - Fairfax, IN
  • Average wind speed in May: 8.4mph

The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).

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Average humidity in May
Fairfax, IN

Average humidity in May - Fairfax, IN
  • Average humidity in May: 77%

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (75%).

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Average rainfall in May
Fairfax, IN

Average rainfall in May - Fairfax, IN
  • Average rainfall in May: 2.91"

The wettest month (with the highest rainfall) is April (2.95").
The driest month (with the least rainfall) is February (1.38").

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Average rainfall days in May
Fairfax, IN

Average rainfall days in May - Fairfax, IN
  • Average rainfall days in May: 17.8 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (6.8 days).

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Average snowfall in May
Fairfax, IN

Average snowfall in May - Fairfax, IN
  • Average snowfall in May: 0.04"

The month with the highest snowfall is February (3.58").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Fairfax, IN

Average snowfall days in May - Fairfax, IN
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Fairfax, IN

Average daylight in May / Average sunshine in May - Fairfax, IN
  • Average daylight in May: 14h and 30min

The month with the longest days is June (Average daylight: 15h and 5min).
The month with the shortest days is December (Average daylight: 9h and 17min).

  • Average sunshine in May: 8h and 24min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

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Average sunshine days in May
Fairfax, IN

Average sunshine days in May - Fairfax, IN
  • Average sunshine days in May: 10.8 days

The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is February (10.4 days).

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Average UV index in May
Fairfax, IN

Average UV index in May - Fairfax, IN
  • Average UV index in May: 5

The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in May
Fairfax, IN

Average cloud cover in May - Fairfax, IN
  • Average cloud cover in May: 43

The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 33).

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Average visibility in May
Fairfax, IN

Average visibility in May - Fairfax, IN
  • Average visibility in May: 6mi

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

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