May weather forecast
Tallinn, Estonia

A beautiful summer view of an ancient town in Tallinn, Estonia
A beautiful summer view of an ancient town in Tallinn, Estonia

Weather in May

May, the last month of the spring in Tallinn, is a moderate month, with an average temperature varying between 5.2°C (41.4°F) and 15.2°C (59.4°F).

Temperature

In Tallinn, the average high-temperature in May rises from a chilly 9.2°C (48.6°F) in April to a moderate 15.2°C (59.4°F). The average low-temperature, in Tallinn, is 5.2°C (41.4°F).

Humidity

May is the least humid month in Tallinn, with an average relative humidity of 69%.

Rainfall

In Tallinn, in May, it is raining for 11 days, with typically 36mm (1.42") of accumulated precipitation. In Tallinn, during the entire year, the rain falls for 120 days and collects up to 617mm (24.29") of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows in Tallinn, Estonia. Throughout May, there are 0.1 snowfall days. Throughout the year, in Tallinn, there are 55.1 snowfall days.

Sea temperature

In Tallinn, Estonia, the average seawater temperature in May is 7.2°C (45°F).
Note: Swimming in 7.2°C (45°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

In May, the average length of the day is 17h and 4min.
On the first day of May in Tallinn, sunrise is at 05:21 and sunset at 21:15. On the last day of the month, sunrise is at 04:16 and sunset at 22:20 EEST.

Sunshine

In Tallinn, the average sunshine in May is 8.9h.

UV index

The average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 4 in May interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
[Resources]

FAQ

What is the temperature in May in Tallinn?

In Tallinn, Estonia, in May, the average high-temperature is 15.2°C (59.4°F), and the average low-temperature is 5.2°C (41.4°F).

What is the least humid month in Tallinn?

With an average relative humidity of 69%, May is the least humid month.

What is the average humidity in May in Tallinn?

The average relative humidity in May in Tallinn, Estonia, is 69%.

How much does it rain in Tallinn in May?

In Tallinn, Estonia, in May, during 11 rainfall days, 36mm (1.42") of precipitation is typically accumulated.

What is the last month it snows in Tallinn?

May is the last month it regularly snows. Throughout May, there are 0.1 snowfall days.

How cold is the water in May in Tallinn?

In Tallinn, in May, the average water temperature is 7.2°C (45°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

What is the average length of the day in May in Tallinn?

In Tallinn, the average day length in May is 17h and 4min.

What time are sunrise and sunset in May in Tallinn?

In May, on the first day of the month, sunrise is at 05:21 and sunset at 21:15. On the last day of the month, in Tallinn, Estonia, sunrise is at 04:16 and sunset at 22:20 EEST.

How many hours of sunshine does Tallinn have in May?

In Tallinn, the average sunshine duration in May is 8.9h.

How high is the UV index in May in Tallinn?

The average daily maximum UV index in May in Tallinn, Estonia, is 4. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average UV index

Average temperature in May
Tallinn, Estonia

Average temperature in May - Tallinn, Estonia
  • Average high temperature in May: 15.2°C

The warmest month (with the highest average high temperature) is July (21.8°C).
The month with the lowest average high temperature is February (-1.6°C).

  • Average low temperature in May: 5.2°C

The month with the highest average low temperature is July (12.7°C).
The coldest month (with the lowest average low temperature) is February (-7°C).

[Resources]

Average humidity in May
Tallinn, Estonia

Average humidity in May - Tallinn, Estonia
  • Average humidity in May: 69%

The months with the highest relative humidity are January, November and December (88%).
The month with the lowest relative humidity is May (69%).

[Resources]

Average rainfall in May
Tallinn, Estonia

Average rainfall in May - Tallinn, Estonia
  • Average rainfall in May: 36mm

The wettest month (with the highest rainfall) is July (74mm).
The driest month (with the least rainfall) is April (30mm).

[Resources]

Average rainfall days in May
Tallinn, Estonia

Average rainfall days in May - Tallinn, Estonia
  • Average rainfall days in May: 11 days

The months with the highest number of rainy days are September and October (16 days).
The month with the least rainy days is February (3 days).

[Resources]

Average snowfall days in May
Tallinn, Estonia

Average snowfall days in May - Tallinn, Estonia
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (14 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average sea temperature in May
Tallinn, Estonia

Average sea temperature in May - Tallinn, Estonia
  • Average sea temperature in May: 7.2°C

The best month for swimming (with the highest average sea temperature) is August (19.1°C).
The coldest months (with the lowest average sea temperature) are February and March (0.2°C).

[Resources]

Average daylight in May /
Average sunshine in May
Tallinn, Estonia

Average daylight in May / Average sunshine in May - Tallinn, Estonia
  • Average daylight in May: 17h and 4min

The month with the longest days is June (Average daylight: 18h and 31min).
The month with the shortest days is December (Average daylight: 6h and 13min).

  • Average sunshine in May: 8h and 54min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 0h and 30min).

[Resources]

Average UV index in May
Tallinn, Estonia

Average UV index in May - Tallinn, Estonia
  • Average UV index in May: 4

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, November and December (UV index 0).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location