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Siren Weather in May

May in Siren brings pleasant temperatures around 20°C (68°F) during the day, dropping to 6°C (43°F) at night, with quite a bit of rainfall expected, averaging around 100 mm (3.9 in) for the month.

Rainfall in Siren in May

Expect around 13 days of rain based on historical data, with 100 mm (3.9 in) average. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Siren in May

Temperatures in Siren in May top out at 20°C (68°F) and drop to 6°C (43°F) overnight. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With overnight lows of 6°C (43°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

If you prefer enjoying temperate temperatures and rain-free days, September 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.

Siren Temperature in May

Min Temperature
6°C (43°F)
Max Temperature
20°C (68°F)
Chance of Rain
44%
Precipitation
100 mm (3.9 in)
Rainy days
13 days

Siren Weather by Month

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

Best Places in the United States of America in May

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 May →

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 Siren in May

For Siren in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho.

What To Do in Siren in May

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

  • Cycling
    9/10
  • Walking
    9/10
  • Camping
    3/10
  • Outdoor sports
    9/10

Siren 3-Day Forecast

More climate data for Siren

Popular in May

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

Bucket list

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