May weather forecast
Riverbank, CA

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Weather in May

The last month of the spring, May, is a moderately hot month in Riverbank, California, with an average temperature fluctuating between 52.3°F (11.3°C) and 79.3°F (26.3°C).

Temperature

With the start of May, the average high-temperature marginally shifts from April's agreeable 71.2°F (21.8°C) to a moderately hot 79.3°F (26.3°C). Riverbank reports a steady low-temperature average of 52.3°F (11.3°C) throughout May, revealing a large deviation from the daytime high.

Humidity

In May, the average relative humidity is 52%.

Rainfall

In May, in Riverbank, the rain falls for 3.7 days. Throughout May, 0.47" (12mm) of precipitation is accumulated. In Riverbank, during the entire year, the rain falls for 59.3 days and collects up to 8.23" (209mm) of precipitation.

Snowfall

January through November are months without snowfall in Riverbank.

Daylight

In Riverbank, the average length of the day in May is 14h and 13min.
On the first day of May in Riverbank, sunrise is at 6:06 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:19 pm PDT.

Sunshine

The average sunshine in May in Riverbank is 11.3h.

UV index

In May, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 6 in May interprets into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. 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 usual temperature for Riverbank in May?

Riverbank in May has an average high-temperature of 79.3°F (26.3°C) and an average low-temperature of 52.3°F (11.3°C).

What is the average humidity in May in Riverbank?

In Riverbank, California, the average relative humidity in May is 52%.

How many days does it rain in May in Riverbank?

In Riverbank, California, in May, it is raining for 3.7 days, with typically 0.47" (12mm) of accumulated precipitation.

When it does not snow in Riverbank?

January through November are months without snowfall in Riverbank.

How many hours of daylight does Riverbank have in May?

In May, the average day length is 14h and 13min.

When are sunrise and sunset in May in Riverbank?

In May, on the first day of the month, sunrise is at 6:06 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:19 pm PDT.

How long on average sun shines in May in Riverbank?

The average sunshine duration in May in Riverbank is 11.3h.

How high is the UV index in May in Riverbank?

In Riverbank, California, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.
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
Riverbank, CA

Average temperature in May - Riverbank, CA
  • Average high temperature in May: 79.3°F

The warmest month (with the highest average high temperature) is July (96.4°F).
The month with the lowest average high temperature is December (55.4°F).

  • Average low temperature in May: 52.3°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is December (41°F).

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Average pressure in May
Riverbank, CA

Average pressure in May - Riverbank, CA
  • Average pressure in May: 29.96"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in May
Riverbank, CA

Average wind speed in May - Riverbank, CA
  • Average wind speed in May: 6.5mph

The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest month (with the lowest average wind speed) is November (4.9mph).

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Average humidity in May
Riverbank, CA

Average humidity in May - Riverbank, CA
  • Average humidity in May: 52%

The month with the highest relative humidity is January (72%).
The month with the lowest relative humidity is July (37%).

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Average rainfall in May
Riverbank, CA

Average rainfall in May - Riverbank, CA
  • Average rainfall in May: 0.47"

The wettest month (with the highest rainfall) is March (1.65").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in May
Riverbank, CA

Average rainfall days in May - Riverbank, CA
  • Average rainfall days in May: 3.7 days

The month with the highest number of rainy days is March (11.3 days).
The month with the least rainy days is August (0.7 days).

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Average snowfall in May
Riverbank, CA

Average snowfall in May - Riverbank, CA
  • Average snowfall in May: 0"

The month with the highest snowfall is December (0.04").
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in May
Riverbank, CA

Average snowfall days in May - Riverbank, CA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in May /
Average sunshine in May
Riverbank, CA

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

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in May: 11h and 2min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

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Average sunshine days in May
Riverbank, CA

Average sunshine days in May - Riverbank, CA
  • Average sunshine days in May: 26.5 days

The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is March (18.7 days).

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Average UV index in May
Riverbank, CA

Average UV index in May - Riverbank, CA
  • Average UV index in May: 6

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in May
Riverbank, CA

Average cloud cover in May - Riverbank, CA
  • Average cloud cover in May: 17

The month with the most cloud cover is March (Cloud cover 33).
The month with the least cloud cover is July (Cloud cover 4).

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Average visibility in May
Riverbank, CA

Average visibility in May - Riverbank, 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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Riverbank, California, USA

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