August weather forecastHereford, OR
August
Weather in August
August, the last month of the summer in Hereford, is another warm month, with an average temperature varying between 53.8°F (12.1°C) and 81.3°F (27.4°C).Temperature
The transition from July to August brings an average high-temperature of a still warm 81.3°F (27.4°C), barely different from July's 81.7°F (27.6°C). Despite considerable daily temperature swings, a steady low-temperature average of 53.8°F (12.1°C) is noted throughout August.Heat index
In August, the heat index is estimated at 80.6°F (27°C). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.When assessing, remember that heat index measurements are for light winds and shaded spots. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
Humidity
With an average relative humidity of 40%, August is the least humid month.Rainfall
The month with the least rainfall is August, when the rain falls for 4.4 days and typically collects 0.31" (8mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Hereford, the average length of the day in August is 13h and 59min.On the first day of August, sunrise is at 5:39 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 7:29 pm PDT.
Sunshine
With an average of 12.1h of sunshine, August has the most sunshine of the year.UV index
In Hereford, Oregon, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The UV index of 5 in August translates into these instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Hereford, OR
- Average high temperature in August: 81.3°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (30.7°F).
- Average low temperature in August: 53.8°F
The month with the highest average low temperature is August (53.8°F).
The coldest month (with the lowest average low temperature) is December (18.5°F).
Average pressure in August
Hereford, OR
- Average pressure in August: 29.92"Hg
The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).
Average wind speed in August
Hereford, OR
- Average wind speed in August: 5.5mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest months (with the lowest average wind speed) are September and October (5.4mph).
Average humidity in August
Hereford, OR
- Average humidity in August: 40%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (40%).
Average rainfall in August
Hereford, OR
- Average rainfall in August: 0.31"
The wettest month (with the highest rainfall) is December (1.77").
The driest month (with the least rainfall) is August (0.31").
Average rainfall days in August
Hereford, OR
- Average rainfall days in August: 4.4 days
The month with the highest number of rainy days is March (15.6 days).
The month with the least rainy days is August (4.4 days).
Average snowfall in August
Hereford, OR
- Average snowfall in August: 0"
The month with the highest snowfall is December (10.59").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Hereford, OR
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (14.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Hereford, OR
- Average daylight in August: 14h and 0min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in August: 12h and 6min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in August
Hereford, OR
- Average sunshine days in August: 21.9 days
The month with the most sunshine days is July (22.7 days).
The months with the least sunshine days are February and March (11.3 days).
Average UV index in August
Hereford, OR
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in August
Hereford, OR
- Average cloud cover in August: 9
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in August
Hereford, OR
- Average visibility in August: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).
