May weather forecast
Oldtown, ID

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Weather in May

The last month of the spring, May, is a comfortable month in Oldtown, Idaho, with temperature in the range of an average high of 63.9°F (17.7°C) and an average low of 38.8°F (3.8°C).

Temperature

Oldtown's transition into May brings a rise in the average high-temperature, moving from a fresh 52.2°F (11.2°C) in April to an enjoyable 63.9°F (17.7°C). In May, Oldtown experiences a significant drop from daily zeniths to an average nighttime temperature of 38.8°F (3.8°C).

Humidity

The average relative humidity in May is 67%.

Rainfall

In Oldtown, in May, it is raining for 13.9 days, with typically 1.89" (48mm) of accumulated precipitation. In Oldtown, during the entire year, the rain falls for 125.5 days and collects up to 19.92" (506mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall in Oldtown. May is the last month it regularly snows in Oldtown. During 0.4 snowfall days, in May, Oldtown aggregates 0.24" (6mm) of snow. In Oldtown, during the entire year, snow falls for 81.4 days and aggregates up to 58.11" (1476mm) of snow.

Daylight

The average length of the day in May is 15h and 14min.
On the first day of the month, sunrise is at 5:27 am and sunset at 8:02 pm. On the last day of May, sunrise is at 4:52 am and sunset at 8:39 pm PDT.

Sunshine

In Oldtown, Idaho, the average sunshine in May is 10.3h.

UV index

In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In May, a regular UV index of 4 translates into these guidelines:
Heed the precautions - It is counselled to guard against solar damage. It's recommended to limit sun exposure when its radiation is at its peak during midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Oldtown in May?

In May, the average high-temperature and low-temperature are 63.9°F (17.7°C) and 38.8°F (3.8°C) respectively.

What is the average humidity in May in Oldtown?

In May, the average relative humidity is 67%.

How many days does it rain in May in Oldtown?

In Oldtown, in May, it is raining for 13.9 days, with typically 1.89" (48mm) of accumulated precipitation.

What is the last month it snows in Oldtown?

May is the last month it regularly snows in Oldtown, Idaho. During 0.4 snowfall days, in May, Oldtown aggregates 0.24" (6mm) of snow.

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

The average day length in May in Oldtown is 15h and 14min.

When are sunrise and sunset in May in Oldtown?

In May, on the first day of the month, sunrise is at 5:27 am and sunset at 8:02 pm. On the last day of the month, in Oldtown, sunrise is at 4:52 am and sunset at 8:39 pm PDT.

How many hours of sunshine does Oldtown have in May?

In Oldtown, Idaho, the average sunshine duration in May is 10.3h.

What is the UV index reading in May in Oldtown?

In Oldtown, Idaho, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Oldtown, ID

Average temperature in May - Oldtown, ID
  • Average high temperature in May: 63.9°F

The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (29.7°F).

  • Average low temperature in May: 38.8°F

The month with the highest average low temperature is August (50.7°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).

Average pressure in May
Oldtown, ID

Average pressure in May - Oldtown, ID
  • Average pressure in May: 29.94"Hg

The month with the highest atmospheric pressure is January (30.2"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).

Average wind speed in May
Oldtown, ID

Average wind speed in May - Oldtown, ID
  • Average wind speed in May: 4.5mph

The windiest month (with the highest average wind speed) is April (4.7mph).
The calmest month (with the lowest average wind speed) is December (3.4mph).

Average humidity in May
Oldtown, ID

Average humidity in May - Oldtown, ID
  • Average humidity in May: 67%

The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (49%).

Average rainfall in May
Oldtown, ID

Average rainfall in May - Oldtown, ID
  • Average rainfall in May: 1.89"

The wettest month (with the highest rainfall) is January (2.64").
The driest month (with the least rainfall) is August (0.43").

Average rainfall days in May
Oldtown, ID

Average rainfall days in May - Oldtown, ID
  • Average rainfall days in May: 13.9 days

The month with the highest number of rainy days is April (16.7 days).
The month with the least rainy days is August (5.8 days).

Average snowfall in May
Oldtown, ID

Average snowfall in May - Oldtown, ID
  • Average snowfall in May: 0.24"

The month with the highest snowfall is January (16.26").
The months with the least snowfall are June, July and August (0").

Average snowfall days in May
Oldtown, ID

Average snowfall days in May - Oldtown, ID
  • Average snowfall days in May: 0.4 days

The month with the highest number of snowfall days is December (17.8 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in May /
Average sunshine in May
Oldtown, ID

Average daylight in May / Average sunshine in May - Oldtown, ID
  • Average daylight in May: 15h and 1min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in May: 10h and 2min

The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

Average sunshine days in May
Oldtown, ID

Average sunshine days in May - Oldtown, ID
  • Average sunshine days in May: 14.7 days

The month with the most sunshine days is July (23.1 days).
The month with the least sunshine days is March (9.2 days).

Average UV index in May
Oldtown, ID

Average UV index in May - Oldtown, ID
  • Average UV index in May: 4

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are February, November and December (UV index 1).

Average cloud cover in May
Oldtown, ID

Average cloud cover in May - Oldtown, ID
  • Average cloud cover in May: 35

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 14).

Average visibility in May
Oldtown, ID

Average visibility in May - Oldtown, ID
  • Average visibility in May: 6mi

The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (3mi).

Oldtown, Idaho, USA

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