Weather in Wellfleet in May

General weather information about Wellfleet

Average annual temperature is 10.7 °C

Absolute maximum temperature: 37.7 °C

Absolute minimum temperature: -24.4 °C

Number of sunny days: 216 days

Number of rainy days: 122 days

Number of snow days: 27 days

* Weather data for Wellfleet United States is based on climate observations for 2026 year

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	7.3	14.5	19.0	32.1	28.0	31.3	35.2	37.7	37.0	28.9	21.3	16.5
Average daytime temperature (°C)	-1.1	6.0	8.6	18.7	23.5	27.1	29.7	30.9	27.4	17.7	12.4	6.9
Average temperature (°C)	-4.9	-1.7	1.1	10.2	17.0	21.0	23.2	24.2	20.4	11.2	5.3	0.9
Average night temperature (°C)	-8.3	-6.7	-4.1	3.1	11.1	15.4	17.7	18.3	14.2	5.7	0.2	-3.0
Absolute minimum temperature (°C)	-24.4	-20.3	-9.2	-6.1	-0.1	11.1	11.6	12.5	8.6	-7.9	-8.2	-6.7

The best time to visit Wellfleet during the most sunny months:

The largest precipitation sum in Wellfleet is at

January — 63(mm)

May — 100(mm)

June — 64(mm)

July — 66(mm)

September — 66(mm)

When is the best time to visit Wellfleet?

The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Wellfleet.

What is the weather like in Wellfleet?

See average temperature, rainfall and daylight hours for Wellfleet by month in the table above.

How many sunny days does Wellfleet have?

The monthly weather statistics above show sunshine and rainfall patterns for Wellfleet throughout the year.