Fairfax Weather in May

With daytime temperatures of 23°C (73°F) and nighttime lows of 12°C (54°F), May in Fairfax brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 125 mm (4.9 in) falls on average.

Rainfall in Fairfax in May

You can typically expect 13 days of rain this month, averaging around 125 mm (4.9 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Fairfax in May

Fairfax in May gets highs of 23°C (73°F) during the day and drops to 12°C (54°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows of 12°C (54°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Fairfax in May

The month enjoys around 259 hours of sunshine, creating mostly sunny days with good weather conditions.

Wind Speed in Fairfax in May

Wind speeds average 4 m/s (8 knots) during May. At this speed, expect moderate winds that can raise dust and move small branches. Since this is an average, some days have gentle light winds while others experience stronger breezes that are quite noticeable.

If you prefer dry days with pleasant temperatures, August typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.