May weather forecast
Daly City, CA

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Weather in May

May prides itself on being the first month to break out of the cool weather. The temperature slowly begins to climb, with morning fog slowly burning off to clearer afternoons. Marked as the commencement of summer, Daly City basks under 14.2 daylight hours during May. This month is characterized by rare occurrences of rainfall, as it is the beginning of the dry season. Contrary to common belief, the early summer weather is mellow, and thus, many take advantage of this period to explore the outdoors before the peak summer heat comes knocking.

Temperature

Daly City's average high-temperature marks a still refreshing 62.4°F (16.9°C) with the advent of May, closely mirroring that of the preceding month. Daly City observes an average low-temperature of 51.4°F (10.8°C) during May.

Humidity

In May, the average relative humidity is 77%.

Rainfall

In Daly City, during May, the rain falls for 5.6 days and regularly aggregates up to 0.59" (15mm) of precipitation. In Daly City, during the entire year, the rain falls for 82.2 days and collects up to 13.62" (346mm) of precipitation.

Daylight

In May, the average length of the day is 14h and 13min.
On the first day of May, sunrise is at 6:13 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:25 pm PDT.

Sunshine

The average sunshine in May is 10.1h.

UV index

In Daly City, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In May, a daily UV index of 4 turns into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

Frequently asked questions

What is the average May temperature?

The average high-temperature and low-temperature during May are 62.4°F (16.9°C) and 51.4°F (10.8°C) respectively.

What is the average humidity in May?

In Daly City, the average relative humidity in May is 77%.

How much does it rain in May?

In Daly City, in May, during 5.6 rainfall days, 0.59" (15mm) of precipitation is typically accumulated.

What is the average length of the day in May?

The average day length in May is 14h and 13min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:13 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:25 pm PDT.

How many hours of sunshine does Daly City have in May?

In May, the average sunshine duration is 10.1h.

What is the UV index reading in May?

The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Daly City, CA

Average temperature in May - Daly City, CA
  • Average high temperature in May: 62.4°F

The warmest month (with the highest average high temperature) is September (69.1°F).
The month with the lowest average high temperature is December (55.4°F).

  • Average low temperature in May: 51.4°F

The month with the highest average low temperature is September (56.5°F).
The coldest month (with the lowest average low temperature) is February (47.7°F).

Average pressure in May
Daly City, CA

Average pressure in May - Daly City, CA
  • Average pressure in May: 29.98"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are August and September (29.92"Hg).

Average wind speed in May
Daly City, CA

Average wind speed in May - Daly City, CA
  • Average wind speed in May: 8.5mph

The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is September (6.3mph).

Average humidity in May
Daly City, CA

Average humidity in May - Daly City, CA
  • Average humidity in May: 77%

The month with the highest relative humidity is August (79%).
The month with the lowest relative humidity is October (71%).

Average rainfall in May
Daly City, CA

Average rainfall in May - Daly City, CA
  • Average rainfall in May: 0.59"

The wettest month (with the highest rainfall) is February (2.8").
The driest months (with the least rainfall) are July and August (0.08").

Average rainfall days in May
Daly City, CA

Average rainfall days in May - Daly City, CA
  • Average rainfall days in May: 5.6 days

The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is July (2.7 days).

Average daylight in May /
Average sunshine in May
Daly City, CA

Average daylight in May / Average sunshine in May - Daly City, 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: 10h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

Average sunshine days in May
Daly City, CA

Average sunshine days in May - Daly City, CA
  • Average sunshine days in May: 22.5 days

The month with the most sunshine days is July (25.3 days).
The month with the least sunshine days is March (16.6 days).

Average UV index in May
Daly City, CA

Average UV index in May - Daly City, CA
  • Average UV index in May: 4

The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February, November and December (UV index 3).

Average cloud cover in May
Daly City, CA

Average cloud cover in May - Daly City, CA
  • Average cloud cover in May: 30

The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 18).

Average visibility in May
Daly City, CA

Average visibility in May - Daly City, 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).

Daly City, California, USA

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