May weather forecast
Paso Robles, CA

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Sunrise over the Valley Oak vineyard farm in Paso Robles, California
Sunrise over the Valley Oak vineyard farm in Paso Robles, California

Weather in May

The last month of the spring, May, is a warm month in Paso Robles, California, with an average temperature fluctuating between 50.7°F (10.4°C) and 74.5°F (23.6°C).

Temperature

Paso Robles's May average high-temperature settles at a moderately hot 74.5°F (23.6°C), showing a near match with the preceding month. A considerable shift from the daytime highs is observed during May nights, with an average low of 50.7°F (10.4°C).

Humidity

In Paso Robles, the average relative humidity in May is 56%.

Rainfall

In Paso Robles, during May, the rain falls for 2.8 days and regularly aggregates up to 0.12" (3mm) of precipitation. In Paso Robles, during the entire year, the rain falls for 46.4 days and collects up to 4.49" (114mm) of precipitation.

Daylight

In May, the average length of the day in Paso Robles is 14h and 4min.
On the first day of the month, sunrise is at 6:09 am and sunset at 7:49 pm. On the last day of May, sunrise is at 5:48 am and sunset at 8:12 pm PDT.

Sunshine

In May, the average sunshine is 11.5h.

UV index

The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: In May, the average maximum UV index of 5 translates into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
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Frequently asked questions

What is the usual temperature for Paso Robles in May?

An average high-temperature, in May, in Paso Robles, is 74.5°F (23.6°C) and the average low-temperature is 50.7°F (10.4°C).

What is the average humidity in May in Paso Robles?

The average relative humidity in May in Paso Robles is 56%.

How much does it rain in Paso Robles in May?

In Paso Robles, in May, during 2.8 rainfall days, 0.12" (3mm) of precipitation is typically accumulated.

What is the average length of the day in May in Paso Robles?

The average day length in May in Paso Robles is 14h and 4min.

When is the sunrise / sunset in May in Paso Robles?

On the first day of May in Paso Robles, California, sunrise is at 6:09 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:12 pm PDT.

How many hours of sunshine does Paso Robles have in May?

In May, the average sunshine duration in Paso Robles is 11.5h.

How high is the UV index in May in Paso Robles?

The average daily maximum UV index in May in Paso Robles, California, is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Paso Robles, CA

Average temperature in May - Paso Robles, CA
  • Average high temperature in May: 74.5°F

The warmest month (with the highest average high temperature) is August (87.1°F).
The month with the lowest average high temperature is December (58.3°F).

  • Average low temperature in May: 50.7°F

The month with the highest average low temperature is August (60.3°F).
The coldest month (with the lowest average low temperature) is February (42.4°F).

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Average pressure in May
Paso Robles, CA

Average pressure in May - Paso Robles, CA
  • Average pressure in May: 29.97"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).

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Average wind speed in May
Paso Robles, CA

Average wind speed in May - Paso Robles, CA
  • Average wind speed in May: 5.7mph

The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is September (4.3mph).

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Average humidity in May
Paso Robles, CA

Average humidity in May - Paso Robles, CA
  • Average humidity in May: 56%

The months with the highest relative humidity are February and March (68%).
The month with the lowest relative humidity is September (48%).

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Average rainfall in May
Paso Robles, CA

Average rainfall in May - Paso Robles, CA
  • Average rainfall in May: 0.12"

The wettest month (with the highest rainfall) is March (0.94").
The driest months (with the least rainfall) are June and August (0.04").

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Average rainfall days in May
Paso Robles, CA

Average rainfall days in May - Paso Robles, CA
  • Average rainfall days in May: 2.8 days

The month with the highest number of rainy days is March (9.1 days).
The month with the least rainy days is August (0.7 days).

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Average daylight in May /
Average sunshine in May
Paso Robles, CA

Average daylight in May / Average sunshine in May - Paso Robles, CA
  • Average daylight in May: 14h and 1min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in May: 11h and 3min

The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are February and December (Average sunshine: 6h and 18min).

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Average sunshine days in May
Paso Robles, CA

Average sunshine days in May - Paso Robles, CA
  • Average sunshine days in May: 27.2 days

The month with the most sunshine days is August (29.8 days).
The months with the least sunshine days are February and March (21 days).

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Average UV index in May
Paso Robles, CA

Average UV index in May - Paso Robles, CA
  • Average UV index in May: 5

The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are February, November and December (UV index 3).

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Average cloud cover in May
Paso Robles, CA

Average cloud cover in May - Paso Robles, CA
  • Average cloud cover in May: 15

The month with the most cloud cover is March (Cloud cover 30).
The months with the least cloud cover are July and August (Cloud cover 5).

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Average visibility in May
Paso Robles, CA

Average visibility in May - Paso Robles, CA
  • 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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Paso Robles, California, USA

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