May weather forecast
Fallbrook, CA

Share

Weather in May

The last month of the spring, May, is also an agreeable month in Fallbrook, California, with temperature in the range of an average high of 71.2°F (21.8°C) and an average low of 52.5°F (11.4°C).

Temperature

The average high-temperature for May is a still pleasant 71.2°F (21.8°C), closely aligning with the temperature of the preceding month. May nights observe an average temperature dip to a cool 52.5°F (11.4°C).

Humidity

May is the most humid month, with an average relative humidity of 69%.

Rainfall

In Fallbrook, in May, it is raining for 4.8 days, with typically 0.35" (9mm) of accumulated precipitation. Throughout the year, in Fallbrook, California, there are 63.6 rainfall days, and 8.98" (228mm) of precipitation is accumulated.

Daylight

In May, the average length of the day is 13h and 54min.
On the first day of May, sunrise is at 5:59 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 7:53 pm PDT.

Sunshine

The average sunshine in May 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 moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In May, the maximum UV index of 5 suggests this advice:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.

Frequently asked questions

What are May temperatures in Fallbrook?

In May, the average high-temperature and low-temperature are 71.2°F (21.8°C) and 52.5°F (11.4°C) respectively.

What is the most humid month?

The most humid month in Fallbrook is May, with an average relative humidity of 69%.

What is the average humidity in May?

In May, the average relative humidity is 69%.

How many days does it rain in May?

In May, the rain falls for 4.8 days. Throughout May, 0.35" (9mm) of precipitation is accumulated.

What is the average length of the day in May in Fallbrook?

In May, the average day length is 13h and 54min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 5:59 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 7:53 pm PDT.

How many hours of sunshine does Fallbrook have in May?

The average sunshine duration in May is 11.2h.

What is the UV index intensity in May?

The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to 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
Fallbrook, CA

Average temperature in May - Fallbrook, CA
  • Average high temperature in May: 71.2°F

The warmest month (with the highest average high temperature) is August (83.3°F).
The month with the lowest average high temperature is December (63°F).

  • Average low temperature in May: 52.5°F

The month with the highest average low temperature is August (63°F).
The coldest months (with the lowest average low temperature) are February and December (46.9°F).

Average pressure in May
Fallbrook, CA

Average pressure in May - Fallbrook, CA
  • Average pressure in May: 29.91"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in May
Fallbrook, CA

Average wind speed in May - Fallbrook, CA
  • Average wind speed in May: 5.5mph

The windiest months (with the highest average wind speed) are April and May (5.5mph).
The calmest month (with the lowest average wind speed) is October (4.3mph).

Average humidity in May
Fallbrook, CA

Average humidity in May - Fallbrook, CA
  • Average humidity in May: 69%

The month with the highest relative humidity is May (69%).
The month with the lowest relative humidity is November (55%).

Average rainfall in May
Fallbrook, CA

Average rainfall in May - Fallbrook, CA
  • Average rainfall in May: 0.35"

The wettest month (with the highest rainfall) is December (1.85").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days in May
Fallbrook, CA

Average rainfall days in May - Fallbrook, CA
  • Average rainfall days in May: 4.8 days

The month with the highest number of rainy days is March (8.3 days).
The month with the least rainy days is June (1.2 days).

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

Average daylight in May / Average sunshine in May - Fallbrook, CA
  • Average daylight in May: 13h and 5min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in May: 11h and 1min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

Average sunshine days in May
Fallbrook, CA

Average sunshine days in May - Fallbrook, CA
  • Average sunshine days in May: 22.2 days

The month with the most sunshine days is June (25.8 days).
The month with the least sunshine days is February (20 days).

Average UV index in May
Fallbrook, CA

Average UV index in May - Fallbrook, CA
  • Average UV index in May: 5

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

Average cloud cover in May
Fallbrook, CA

Average cloud cover in May - Fallbrook, CA
  • Average cloud cover in May: 19

The months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 6).

Average visibility in May
Fallbrook, CA

Average visibility in May - Fallbrook, 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).

Fallbrook, California, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location