May weather forecast
Supai, AZ

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Weather in May

May depicts an evident shift towards summer-like conditions in Supai, Arizona, USA. With the temperature soaring from 62.2°F (16.8°C) to 70.5°F (21.4°C) and maintaining minimal rainfall, the ambiance of May is thoroughly summery, distinctly different from the slightly cooler month of April. June carries forward this surge in temperature, validating the smooth transition into the summer season. This desirable weather promotes outdoor activities such as camping and hiking. The onset of summer brings warmth and sunshine, each day basking in a sunny glow.

Temperature

Supai's transition into May sees a mild rise in the average high-temperature, edging from an enjoyable 62.2°F (16.8°C) in April to a pleasant 70.5°F (21.4°C). A striking difference from the daytime highs is registered during May nights in Supai, with an average temperature of 47.8°F (8.8°C).

Humidity

In May, the average relative humidity is 29%.

Rainfall

In May, in Supai, the rain falls for 4.5 days. Throughout May, 0.43" (11mm) of precipitation is accumulated. Throughout the year, in Supai, there are 46.7 rainfall days, and 4.29" (109mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.4 snowfall days, in May, Supai aggregates 0.08" (2mm) of snow. Throughout the year, there are 23 snowfall days, and 10.24" (260mm) of snow is accumulated.

Daylight

In May, the average length of the day is 14h and 7min.
On the first day of May, sunrise is at 5:36 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 5:14 am and sunset at 7:42 pm MST.

Sunshine

In Supai, Arizona, the average sunshine in May is 11.7h.

UV index

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index, 5 during May, leads to the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
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Frequently asked questions

What are May temperatures in Supai?

The average high-temperature and low-temperature in Supai during May are 70.5°F (21.4°C) and 47.8°F (8.8°C) respectively.

What is the average humidity in May in Supai?

In Supai, the average relative humidity in May is 29%.

How many days does it rain in May in Supai?

In Supai, Arizona, in May, it is raining for 4.5 days, with typically 0.43" (11mm) of accumulated precipitation.

What is the last month it snows in Supai?

May is the last month it regularly snows. During 0.4 snowfall days, in May, Supai aggregates 0.08" (2mm) of snow.

How many hours of daylight does Supai have in May?

In Supai, the average day length in May is 14h and 7min.

What time are sunrise and sunset in May in Supai?

In May, on the first day of the month, sunrise is at 5:36 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 5:14 am and sunset at 7:42 pm MST.

How long on average sun shines in May in Supai?

In May, the average sunshine duration is 11.7h.

What is the UV index reading in May in Supai?

In Supai, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
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
Supai, AZ

Average temperature in May - Supai, AZ
  • Average high temperature in May: 70.5°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is December (43°F).

  • Average low temperature in May: 47.8°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is December (26.2°F).

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Average pressure in May
Supai, AZ

Average pressure in May - Supai, AZ
  • Average pressure in May: 29.87"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in May
Supai, AZ

Average wind speed in May - Supai, AZ
  • Average wind speed in May: 9.4mph

The windiest month (with the highest average wind speed) is April (9.7mph).
The calmest month (with the lowest average wind speed) is January (6.6mph).

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Average humidity in May
Supai, AZ

Average humidity in May - Supai, AZ
  • Average humidity in May: 29%

The month with the highest relative humidity is January (64%).
The month with the lowest relative humidity is June (21%).

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Average rainfall in May
Supai, AZ

Average rainfall in May - Supai, AZ
  • Average rainfall in May: 0.43"

The wettest month (with the highest rainfall) is March (0.51").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in May
Supai, AZ

Average rainfall days in May - Supai, AZ
  • Average rainfall days in May: 4.5 days

The month with the highest number of rainy days is July (6 days).
The month with the least rainy days is June (1.9 days).

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Average snowfall in May
Supai, AZ

Average snowfall in May - Supai, AZ
  • Average snowfall in May: 0.08"

The month with the highest snowfall is January (3.11").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Supai, AZ

Average snowfall days in May - Supai, AZ
  • Average snowfall days in May: 0.4 days

The months with the highest number of snowfall days are February and December (5.3 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
Supai, AZ

Average daylight in May / Average sunshine in May - Supai, AZ
  • 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 42min).

  • Average sunshine in May: 11h and 4min

The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is January (Average sunshine: 6h and 48min).

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Average sunshine days in May
Supai, AZ

Average sunshine days in May - Supai, AZ
  • Average sunshine days in May: 25.1 days

The month with the most sunshine days is June (27.3 days).
The month with the least sunshine days is February (21.4 days).

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Average UV index in May
Supai, AZ

Average UV index in May - Supai, AZ
  • 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).

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Average cloud cover in May
Supai, AZ

Average cloud cover in May - Supai, AZ
  • Average cloud cover in May: 12

The month with the most cloud cover is December (Cloud cover 24).
The month with the least cloud cover is June (Cloud cover 7).

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Average visibility in May
Supai, AZ

Average visibility in May - Supai, AZ
  • 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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Supai, Arizona, USA

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