May weather forecast
New Plymouth, ID

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Weather in May

The last month of the spring, May, is an agreeable month in New Plymouth, Idaho, with temperature in the range of an average low of 46.6°F (8.1°C) and an average high of 70.7°F (21.5°C).

Temperature

In May, the meteorological conditions change with the average high-temperature moving from a comfortable 60.8°F (16°C) in April to an agreeable 70.7°F (21.5°C). May presents a pronounced divergence from daily peak temperatures in New Plymouth, with the average low-temperature of 46.6°F (8.1°C).

Humidity

The average relative humidity in May in New Plymouth is 49%.

Rainfall

In May, in New Plymouth, the rain falls for 7.8 days. Throughout May, 0.83" (21mm) of precipitation is accumulated. Throughout the year, there are 95.4 rainfall days, and 10.2" (259mm) of precipitation is accumulated.

Snowfall

In New Plymouth, snow does not fall in May through October.

Daylight

The average length of the day in May is 14h and 46min.
On the first day of May in New Plymouth, sunrise is at 6:37 am and sunset at 8:51 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 9:22 pm MDT.

Sunshine

In May, the average sunshine is 11.2h.

UV index

The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In May, the UV index of 5 transforms into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
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Frequently asked questions

What is the temperature in May in New Plymouth?

The high-temperature, in May, in New Plymouth, records 70.7°F (21.5°C), while the low-temperature is 46.6°F (8.1°C).

What is the average humidity in May in New Plymouth?

In May, the average relative humidity in New Plymouth is 49%.

How much does it rain in New Plymouth in May?

In May, in New Plymouth, the rain falls for 7.8 days. Throughout May, 0.83" (21mm) of precipitation is accumulated.

When it does not snow in New Plymouth?

In New Plymouth, snow does not fall in May through October.

Does it snow in New Plymouth in May?

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

What is the average length of the day in May in New Plymouth?

In New Plymouth, the average day length in May is 14h and 46min.

What time are sunrise and sunset in May in New Plymouth?

On the first day of May, sunrise is at 6:37 am and sunset at 8:51 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 9:22 pm MDT.

How many hours of sunshine does New Plymouth have in May?

The average sunshine duration in May in New Plymouth, Idaho, is 11.2h.

What is the UV index reading in May in New Plymouth?

In May, the average daily maximum UV index in New Plymouth is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
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
New Plymouth, ID

Average temperature in May - New Plymouth, ID
  • Average high temperature in May: 70.7°F

The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is December (35.8°F).

  • Average low temperature in May: 46.6°F

The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is December (23.4°F).

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Average pressure in May
New Plymouth, ID

Average pressure in May - New Plymouth, ID
  • Average pressure in May: 29.93"Hg

The month with the highest atmospheric pressure is January (30.24"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).

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Average wind speed in May
New Plymouth, ID

Average wind speed in May - New Plymouth, ID
  • Average wind speed in May: 5.7mph

The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is January (3.9mph).

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Average humidity in May
New Plymouth, ID

Average humidity in May - New Plymouth, ID
  • Average humidity in May: 49%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (30%).

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Average rainfall in May
New Plymouth, ID

Average rainfall in May - New Plymouth, ID
  • Average rainfall in May: 0.83"

The wettest month (with the highest rainfall) is March (1.61").
The driest month (with the least rainfall) is July (0.12").

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Average rainfall days in May
New Plymouth, ID

Average rainfall days in May - New Plymouth, ID
  • Average rainfall days in May: 7.8 days

The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is August (3.2 days).

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Average snowfall in May
New Plymouth, ID

Average snowfall in May - New Plymouth, ID
  • Average snowfall in May: 0"

The month with the highest snowfall is December (4.8").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
New Plymouth, ID

Average snowfall days in May - New Plymouth, ID
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is December (7.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
New Plymouth, ID

Average daylight in May / Average sunshine in May - New Plymouth, ID
  • Average daylight in May: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in May: 11h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

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Average sunshine days in May
New Plymouth, ID

Average sunshine days in May - New Plymouth, ID
  • Average sunshine days in May: 20.7 days

The month with the most sunshine days is July (25.6 days).
The month with the least sunshine days is March (13.8 days).

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Average UV index in May
New Plymouth, ID

Average UV index in May - New Plymouth, ID
  • Average UV index in May: 5

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in May
New Plymouth, ID

Average cloud cover in May - New Plymouth, ID
  • Average cloud cover in May: 22

The month with the most cloud cover is December (Cloud cover 43).
The months with the least cloud cover are July and August (Cloud cover 8).

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Average visibility in May
New Plymouth, ID

Average visibility in May - New Plymouth, ID
  • Average visibility in May: 6mi

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

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New Plymouth, Idaho, USA

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