August weather forecastNewcastle, WY
August
Weather in August
August sees a slight dip in temperature yet still cloaks Newcastle in warm, comfortable summer heat. In spite of fewer daylight hours, the city enjoys extended sunshine durations. In contrast to July, the city receives an increment of rainfall measuring 2.6" (66mm). Walking through Newcastle's verdant parks in gentle rainfall could serve as a fitting end to a beautiful summer day. However, it remains crucial to stay hydrated during outings as the month maintains warm temperatures.Temperature
The shift into August finds Newcastle at an average high-temperature of a still warm 77.2°F (25.1°C), closely comparable to July's conditions. In Newcastle, in August, the average low-temperature is a moderate 55.8°F (13.2°C).Humidity
The least humid month is August, with an average relative humidity of 53%.Rainfall
In Newcastle, in August, it is raining for 16.5 days, with typically 2.6" (66mm) of accumulated precipitation. Throughout the year, there are 123.2 rainfall days, and 19.37" (492mm) of precipitation is accumulated.Snowfall
In Newcastle, snow does not fall in July and August.Daylight
The average length of the day in August is 13h and 56min.On the first day of August, sunrise is at 5:46 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 7:33 pm MDT.
Sunshine
With an average of 11.8h of sunshine, August has the most sunshine of the year.UV index
June through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 5 during August translates into the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Newcastle, WY
- Average high temperature in August: 77.2°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is December (26.2°F).
- Average low temperature in August: 55.8°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is February (10.8°F).
Average pressure in August
Newcastle, WY
- Average pressure in August: 29.89"Hg
The months with the highest atmospheric pressure are January and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in August
Newcastle, WY
- Average wind speed in August: 7.8mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).
Average humidity in August
Newcastle, WY
- Average humidity in August: 53%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (53%).
Average rainfall in August
Newcastle, WY
- Average rainfall in August: 2.6"
The wettest months (with the highest rainfall) are June and July (2.68").
The driest month (with the least rainfall) is December (0.67").
Average rainfall days in August
Newcastle, WY
- Average rainfall days in August: 16.5 days
The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in August
Newcastle, WY
- Average snowfall in August: 0"
The month with the highest snowfall is April (8.82").
The months with the least snowfall are July and August (0").
Average snowfall days in August
Newcastle, WY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in August /
Average sunshine in August
Newcastle, WY
- Average daylight in August: 13h and 54min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in August: 11h and 48min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).
Average sunshine days in August
Newcastle, WY
- Average sunshine days in August: 10 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is June (9.7 days).
Average UV index in August
Newcastle, WY
- Average UV index in August: 5
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in August
Newcastle, WY
- Average cloud cover in August: 17
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in August
Newcastle, WY
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
