May weather forecastTrieste, Italy
May
Weather in May
In May, Trieste starts to feel the warmth of the upcoming summer, bringing milder and pleasant weather conditions. Temperatures reach their year-high trend as the highest average temperature scales up to 19.4°C (66.9°F) and the lowest average is a comfy 11.3°C (52.3°F). The landscape of Trieste comes alive with greenery, and with longer sunshine hours, outdoor activities become a norm. However, May also marks the onset of the wet season, with rainfall significantly higher than April.Temperature
Trieste, Italy, observes a slight ascent in average high-temperatures during May, adjusting from a mild 15.8°C (60.4°F) in April to a comfortable 19.4°C (66.9°F). During May, Trieste witnesses a consistent average low-temperature of 11.3°C (52.3°F).Humidity
In Trieste, Italy, the average relative humidity in May is 74%.Rainfall
In May, in Trieste, the rain falls for 21.3 days. Throughout May, 100mm (3.94") of precipitation is accumulated. Throughout the year, in Trieste, there are 177.7 rainfall days, and 1019mm (40.12") of precipitation is accumulated.Snowfall
April through November are months without snowfall.Sea temperature
In Trieste, the average seawater temperature in May is 18°C (64.4°F).Note: Most people do not enjoy swimming in water of 18°C (64.4°F). Breathing control becomes harder as the temperature descends from 21°C (69.8°F) to 15°C (59°F).
Daylight
In May, the average length of the day is 14h and 56min.On the first day of May, sunrise is at 05:51 and sunset at 20:12. On the last day of the month, sunrise is at 05:19 and sunset at 20:46 CEST.
Sunshine
The average sunshine in May is 10.1h.UV index
The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In May, the maximum UV index of 5 translates into these guidelines:
Undertake precautions - It is suggested to shield oneself from sunburn. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Trieste, Italy
- Average high temperature in May: 19.4°C
The warmest month (with the highest average high temperature) is August (27.2°C).
The month with the lowest average high temperature is January (5.9°C).
- Average low temperature in May: 11.3°C
The month with the highest average low temperature is August (18.1°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).
Average pressure in May
Trieste, Italy
- Average pressure in May: 1014.7mbar
The month with the highest atmospheric pressure is December (1019.8mbar).
The months with the lowest atmospheric pressure are May, June and July (1014.7mbar).
Average wind speed in May
Trieste, Italy
- Average wind speed in May: 9km/h
The windiest month (with the highest average wind speed) is February (11.7km/h).
The calmest months (with the lowest average wind speed) are June, July and August (8.6km/h).
Average humidity in May
Trieste, Italy
- Average humidity in May: 74%
The month with the highest relative humidity is November (82%).
The month with the lowest relative humidity is August (68%).
Average rainfall in May
Trieste, Italy
- Average rainfall in May: 100mm
The wettest month (with the highest rainfall) is November (129mm).
The driest month (with the least rainfall) is January (54mm).
Average rainfall days in May
Trieste, Italy
- Average rainfall days in May: 21.3 days
The month with the highest number of rainy days is May (21.3 days).
The month with the least rainy days is January (10.9 days).
Average snowfall in May
Trieste, Italy
- Average snowfall in May: 0mm
The month with the highest snowfall is February (14mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in May
Trieste, Italy
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in May
Trieste, Italy
- Average sea temperature in May: 18°C
The best months for swimming (with the highest average sea temperature) are July and August (24.8°C).
The coldest month (with the lowest average sea temperature) is February (9.3°C).
Average daylight in May /
Average sunshine in May
Trieste, Italy
- Average daylight in May: 14h and 54min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in May: 10h and 6min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The months with the least sunshine are February and November (Average sunshine: 5h and 0min).
Average sunshine days in May
Trieste, Italy
- Average sunshine days in May: 6.6 days
The month with the most sunshine days is January (17 days).
The month with the least sunshine days is May (6.6 days).
Average UV index in May
Trieste, Italy
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in May
Trieste, Italy
- Average cloud cover in May: 35
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in May
Trieste, Italy
- Average visibility in May: 10km
The months with the highest visibility are April, May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, October, November and December (9km).
