Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
With the transition into May, Tracy experiences a subtle uplift in average high-temperatures, adjusting from a pleasant 69.4°F (20.8°C) in April to a moderately hot 76.5°F (24.7°C). In Tracy, the nighttime temperature registers a significant drop from daytime peaks to an average of 49.8°F (9.9°C) in May.Humidity
The average relative humidity in May in Tracy is 57%.Rainfall
In Tracy, in May, it is raining for 4.1 days, with typically 0.28" (7mm) of accumulated precipitation. In Tracy, during the entire year, the rain falls for 60.6 days and collects up to 5.71" (145mm) of precipitation.Snowfall
In Tracy, California, snow does not fall in January through November.Daylight
In Tracy, the average length of the day in May is 14h and 14min.On the first day of the month, sunrise is at 6:08 am and sunset at 7:56 pm. On the last day of May, in Tracy, sunrise is at 5:45 am and sunset at 8:21 pm PDT.
Sunshine
The average sunshine in May in Tracy is 11.2h.UV index
In Tracy, California, 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 radiation for the ordinary person.Note: In May, an average UV index of 5 transforms into the following instructions:
Exercise prevention - Precautions against solar damage are endorsed. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Tracy?
What is the average humidity in May in Tracy?
How much does it rain in Tracy in May?
When it does not snow in Tracy?
What is the average length of the day in May in Tracy?
What time are sunrise and sunset in May in Tracy?
How many hours of sunshine does Tracy have in May?
How high is the UV index in May in Tracy?
Average temperature in May
Tracy, CA
- Average high temperature in May: 76.5°F
The warmest month (with the highest average high temperature) is July (92.5°F).
The month with the lowest average high temperature is December (54.1°F).
- Average low temperature in May: 49.8°F
The month with the highest average low temperature is August (58.6°F).
The coldest months (with the lowest average low temperature) are January and December (40.1°F).
Average pressure in May
Tracy, CA
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Tracy, CA
- Average wind speed in May: 6.8mph
The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest month (with the lowest average wind speed) is November (4.5mph).
Average humidity in May
Tracy, CA
- Average humidity in May: 57%
The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is July (45%).
Average rainfall in May
Tracy, CA
- Average rainfall in May: 0.28"
The wettest month (with the highest rainfall) is March (1.06").
The driest months (with the least rainfall) are June and August (0.08").
Average rainfall days in May
Tracy, CA
- Average rainfall days in May: 4.1 days
The month with the highest number of rainy days is March (10.6 days).
The month with the least rainy days is August (1.2 days).
Average snowfall days in May
Tracy, 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).
Average daylight in May /
Average sunshine in May
Tracy, 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 1min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in May
Tracy, CA
- Average sunshine days in May: 25.7 days
The month with the most sunshine days is August (28.6 days).
The month with the least sunshine days is March (18.4 days).
Average UV index in May
Tracy, CA
- Average UV index in May: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in May
Tracy, CA
- Average cloud cover in May: 18
The month with the most cloud cover is March (Cloud cover 36).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in May
Tracy, 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).
Tracy, California, USA
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