May weather forecastNewcastle, CA
May
Weather in May
May, the last month of the spring in Newcastle, is a warm month, with temperature in the range of an average low of 49.6°F (9.8°C) and an average high of 73.8°F (23.2°C).Temperature
A slight uplift of average high-temperatures is noted in May, with temperatures adjusting from a refreshing 65.8°F (18.8°C) in April to a moderately hot 73.8°F (23.2°C). Newcastle's May nights see a large temperature deviation, with temperatures resting at a low of 49.6°F (9.8°C).Humidity
In May, the average relative humidity in Newcastle is 60%.Rainfall
In Newcastle, in May, during 6.8 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. In Newcastle, during the entire year, the rain falls for 84.8 days and collects up to 28.86" (733mm) of precipitation.Snowfall
January, April through November are months without snowfall.Daylight
In Newcastle, California, the average length of the day in May is 14h and 19min.On the first day of May in Newcastle, sunrise is at 6:05 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 8:23 pm PDT.
Sunshine
In Newcastle, the average sunshine in May is 10.9h.UV index
In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: In May, a daily UV index of 5 turns into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Newcastle, CA
- Average high temperature in May: 73.8°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is December (53.4°F).
- Average low temperature in May: 49.6°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is December (39.2°F).
Average pressure in May
Newcastle, CA
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Newcastle, CA
- Average wind speed in May: 5.2mph
The windiest months (with the highest average wind speed) are February and March (5.7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in May
Newcastle, CA
- Average humidity in May: 60%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is July (38%).
Average rainfall in May
Newcastle, CA
- Average rainfall in May: 1.57"
The wettest month (with the highest rainfall) is March (5.63").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in May
Newcastle, CA
- Average rainfall days in May: 6.8 days
The month with the highest number of rainy days is March (15.4 days).
The month with the least rainy days is July (1 days).
Average snowfall in May
Newcastle, CA
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.18").
The months with the least snowfall are January, April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Newcastle, CA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are January, April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Newcastle, CA
- Average daylight in May: 14h and 18min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 10h and 54min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 5h and 48min).
Average sunshine days in May
Newcastle, CA
- Average sunshine days in May: 23.2 days
The month with the most sunshine days is July (29.6 days).
The month with the least sunshine days is March (14.6 days).
Average UV index in May
Newcastle, CA
- Average UV index in May: 5
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).
Average cloud cover in May
Newcastle, CA
- Average cloud cover in May: 21
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in May
Newcastle, 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).
