May weather forecastHeltiu, Romania

May

Weather in May

The last month of the spring, May, is a refreshing month in Heltiu, Romania, with an average temperature fluctuating between 8.9°C (48°F) and 19.8°C (67.6°F).

Temperature

The beginning of May marks a minor shift in the average high-temperature, moving from April's 14.9°C (58.8°F) to a still refreshing 19.8°C (67.6°F). During May, the average low-temperature is a chilly 8.9°C (48°F).

Humidity

In May, the average relative humidity in Heltiu is 70%.

Rainfall

In May, in Heltiu, the rain falls for 18.7 days. Throughout May, 58mm (2.28") of precipitation is accumulated. Throughout the year, there are 131.6 rainfall days, and 424mm (16.69") of precipitation is accumulated.

Snowfall

In Heltiu, snow does not fall in May through September.

Daylight

In May, the average length of the day in Heltiu is 14h and 59min.
On the first day of the month, sunrise is at 05:57 and sunset at 20:20. On the last day of May, in Heltiu, sunrise is at 05:24 and sunset at 20:55 EEST.

Sunshine

In May, the average sunshine is 9.9h.

UV index

In Heltiu, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 4 during May leads to these instructions:
Heed the precautions - It is counselled to guard against solar damage. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.

Frequently asked questions

The high-temperature, in May, in Heltiu, is 19.8°C (67.6°F), while the low-temperature averages to 8.9°C (48°F).

In May, the average relative humidity in Heltiu is 70%.

In Heltiu, in May, during 18.7 rainfall days, 58mm (2.28") of precipitation is typically accumulated.

In Heltiu, Romania, snow does not fall in May through September.

In May, in Heltiu, Romania, it doesn't snow. April is the latest month when it typically snows.

In Heltiu, the average day length in May is 14h and 59min.

On the first day of May in Heltiu, sunrise is at 05:57 and sunset at 20:20. On the last day of the month, sunrise is at 05:24 and sunset at 20:55 EEST.

The average sunshine duration in May in Heltiu is 9.9h.

In May, the average daily maximum UV index in Heltiu is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Heltiu, Romania

  • Average high temperature in May: 19.8°C

The warmest month (with the highest average high temperature) is August (27°C).
The month with the lowest average high temperature is January (0.2°C).

  • Average low temperature in May: 8.9°C

The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (-5.6°C).

Average pressure in May
Heltiu, Romania

  • Average pressure in May: 1013.8mbar

The month with the highest atmospheric pressure is December (1020.1mbar).
The month with the lowest atmospheric pressure is June (1013.5mbar).

Average wind speed in May
Heltiu, Romania

  • Average wind speed in May: 9.6km/h

The windiest month (with the highest average wind speed) is April (10.9km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).

Average humidity in May
Heltiu, Romania

  • Average humidity in May: 70%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (59%).

Average rainfall in May
Heltiu, Romania

  • Average rainfall in May: 58mm

The wettest month (with the highest rainfall) is June (87mm).
The driest months (with the least rainfall) are September and November (20mm).

Average rainfall days in May
Heltiu, Romania

  • Average rainfall days in May: 18.7 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is January (6.1 days).

Average snowfall in May
Heltiu, Romania

  • Average snowfall in May: 0mm

The month with the highest snowfall is January (131mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in May
Heltiu, Romania

  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (10 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Heltiu, Romania

  • Average daylight in May: 15h and 0min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in May: 9h and 54min

The month with the most sunshine is August (Average sunshine: 11h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in May
Heltiu, Romania

  • Average sunshine days in May: 10.6 days

The month with the most sunshine days is August (21.1 days).
The month with the least sunshine days is June (10.3 days).

Average UV index in May
Heltiu, Romania

  • Average UV index in May: 4

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

Average cloud cover in May
Heltiu, Romania

  • Average cloud cover in May: 37

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 21).

Average visibility in May
Heltiu, Romania

  • Average visibility in May: 9km

The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February and December (8km).