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Fairfax Weather in August

August is one of the excellent months to visit Fairfax, with daytime temperatures of 27°C (81°F) and lows of 12°C (54°F) at night. It is also the driest month of the year.

Rainfall in Fairfax in August

As the driest month, it's a great time for hiking and exploring the area. Expect around 0 days of rain based on historical data, with 0 mm (0 in) average.

Temperature in Fairfax in August

Fairfax in August is worth a visit. The temperature is excellent, with 27°C (81°F) during the day and 12°C (54°F) at night. August is known for being in the summer season. This kind of day-to-night contrast is typical for this time of year. At 12°C (54°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Fairfax in August

The month enjoys around 288 hours of sunshine, creating mostly sunny days with good weather conditions.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

Fairfax Temperature in August

Min Temperature
12°C (54°F)
Max Temperature
27°C (81°F)
Chance of Rain
0%
Precipitation
0 mm (0 in)
Rainy days
0 days
Humidity
75% *
Sunshine
288 hours *
Percentage Sunshine
68% *
* Data from: San Francisco, the United States of America (44 KM, 27 Miles).

Fairfax Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Fairfax - and find the best time to visit.

Best Places in the United States of America in August

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in August →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Fairfax in August

Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Fairfax in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    10/10
  • Cycling
    8/10
  • Walking
    8/10
  • Barbeque
    10/10
  • Camping
    10/10
  • Outdoor sports
    8/10

Fairfax 3-Day Forecast

Popular in August

Where to go in August - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.