May weather forecast
Spring Valley, NV

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Weather in May

Temperatures in May take a departure from the mild spring season, as day time highs soar up to 81.7°F (27.6°C) in Spring Valley. This increase in heat coincides with longer days and a continual decline in relative humidity. This dry period is matched with almost nonexistent rainfall, marking May as the onset of the dry season. Sunshine hours peak, promoting sun-filled activities. With the increase in temperature and sunlight, UV protection becomes more important than ever.

Temperature

May's onset in Spring Valley brings a minor rise in the average high-temperature, moving from a pleasant 73°F (22.8°C) in April to a moderately hot 81.7°F (27.6°C). In the month of May, the nighttime temperature in Spring Valley dips to a steady average of 62.2°F (16.8°C).

Humidity

The average relative humidity in May is 21%.

Rainfall

In May, the rain falls for 2.8 days. Throughout May, 0.16" (4mm) of precipitation is accumulated. In Spring Valley, during the entire year, the rain falls for 42.9 days and collects up to 3.23" (82mm) of precipitation.

Snowfall

January, March through December are months without snowfall in Spring Valley, Nevada.

Daylight

In May, the average length of the day is 14h and 6min.
On the first day of May in Spring Valley, sunrise is at 5:47 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 5:25 am and sunset at 7:52 pm PDT.

Sunshine

In May, the average sunshine in Spring Valley, Nevada, is 11.8h.

UV index

In Spring Valley, the average daily maximum UV index in May is 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: In May, the average maximum UV index of 7 translates into the following recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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Frequently asked questions

What is the temperature in May in Spring Valley?

An average high-temperature, in May, in Spring Valley, is 81.7°F (27.6°C) and the average low-temperature is 62.2°F (16.8°C).

What is the average humidity in May in Spring Valley?

In Spring Valley, the average relative humidity in May is 21%.

How many days does it rain in May in Spring Valley?

In Spring Valley, in May, it is raining for 2.8 days, with typically 0.16" (4mm) of accumulated precipitation.

When it does not snow in Spring Valley?

January, March through December are months without snowfall.

What is the average length of the day in May in Spring Valley?

In May, the average day length is 14h and 6min.

When is the sunrise / sunset in May in Spring Valley?

On the first day of May, sunrise is at 5:47 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 5:25 am and sunset at 7:52 pm PDT.

How long on average sun shines in May in Spring Valley?

The average sunshine duration in May is 11.8h.

What is the UV index reading in May in Spring Valley?

The average daily maximum UV index in May in Spring Valley is 7. A UV Index estimate of 6 to 7 represents a high health threat from exposure to the Sun's 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
Spring Valley, NV

Average temperature in May - Spring Valley, NV
  • Average high temperature in May: 81.7°F

The warmest month (with the highest average high temperature) is July (98.4°F).
The month with the lowest average high temperature is December (50.9°F).

  • Average low temperature in May: 62.2°F

The months with the highest average low temperature are July and August (78.4°F).
The coldest month (with the lowest average low temperature) is December (38.8°F).

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Average pressure in May
Spring Valley, NV

Average pressure in May - Spring Valley, NV
  • Average pressure in May: 29.81"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.76"Hg).

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Average wind speed in May
Spring Valley, NV

Average wind speed in May - Spring Valley, NV
  • Average wind speed in May: 8.5mph

The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is January (5.4mph).

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Average humidity in May
Spring Valley, NV

Average humidity in May - Spring Valley, NV
  • Average humidity in May: 21%

The month with the highest relative humidity is January (47%).
The month with the lowest relative humidity is June (15%).

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Average rainfall in May
Spring Valley, NV

Average rainfall in May - Spring Valley, NV
  • Average rainfall in May: 0.16"

The wettest months (with the highest rainfall) are July and August (0.55").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in May
Spring Valley, NV

Average rainfall days in May - Spring Valley, NV
  • Average rainfall days in May: 2.8 days

The month with the highest number of rainy days is July (6.1 days).
The month with the least rainy days is June (0.9 days).

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Average snowfall in May
Spring Valley, NV

Average snowfall in May - Spring Valley, NV
  • Average snowfall in May: 0"

The month with the highest snowfall is February (0.24").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in May
Spring Valley, NV

Average snowfall days in May - Spring Valley, NV
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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Average daylight in May /
Average sunshine in May
Spring Valley, NV

Average daylight in May / Average sunshine in May - Spring Valley, NV
  • Average daylight in May: 14h and 1min

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

  • Average sunshine in May: 11h and 5min

The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

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Average sunshine days in May
Spring Valley, NV

Average sunshine days in May - Spring Valley, NV
  • Average sunshine days in May: 25.1 days

The month with the most sunshine days is June (27.6 days).
The month with the least sunshine days is July (18.7 days).

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Average UV index in May
Spring Valley, NV

Average UV index in May - Spring Valley, NV
  • Average UV index in May: 7

The months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in May
Spring Valley, NV

Average cloud cover in May - Spring Valley, NV
  • Average cloud cover in May: 11

The months with the most cloud cover are January and December (Cloud cover 19).
The months with the least cloud cover are June and August (Cloud cover 6).

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Average visibility in May
Spring Valley, NV

Average visibility in May - Spring Valley, NV
  • 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).

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Spring Valley, Nevada, USA

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