May history in Valletta

Malta · Compare three complete years with the current year to date.

Month

Year

Mean air temperature

21°C

Mean daytime air temperature

22°C

Mean nighttime air temperature

19°C

Maximum air temperature

31°C

Minimum air temperature

13°C

Total precipitation

15.6 mm

Sunny days

Mean sea temperature

20.0°C

Minimum sea temperature

18.1°C

Maximum sea temperature

24.1°C

Maximum wind speed

32.3 km/h

Air temperature (°C)

Daily minimum, mean and maximum

Date	Mean (°C)	Maximum (°C)	Minimum (°C)
2026-05-01	18	20	17
2026-05-02	18	20	16
2026-05-03	17	21	13
2026-05-04	18	21	14
2026-05-05	18	22	15
2026-05-06	19	22	17
2026-05-07	21	24	19
2026-05-08	22	26	18
2026-05-09	20	23	17
2026-05-10	20	23	18
2026-05-11	21	26	17
2026-05-12	22	26	18
2026-05-13	20	23	19
2026-05-14	20	22	18
2026-05-15	21	26	18
2026-05-16	19	21	17
2026-05-17	18	21	17
2026-05-18	18	22	15
2026-05-19	19	22	17
2026-05-20	20	23	17
2026-05-21	20	24	17
2026-05-22	21	26	18
2026-05-23	22	27	18
2026-05-24	23	27	18
2026-05-25	22	25	20
2026-05-26	23	27	19
2026-05-27	24	29	20
2026-05-28	25	31	21
2026-05-29	24	29	20
2026-05-30	24	28	20
2026-05-31	24	28	19

Sea temperature (°C)

Daily sea-surface mean

Date	Sea temperature (°C)
2026-05-01	18.6
2026-05-02	18.4
2026-05-03	18.6
2026-05-04	18.6
2026-05-05	18.7
2026-05-06	18.6
2026-05-07	18.3
2026-05-08	19.0
2026-05-09	19.5
2026-05-10	19.0
2026-05-11	19.3
2026-05-12	19.6
2026-05-13	19.6
2026-05-14	19.4
2026-05-15	19.5
2026-05-16	19.6
2026-05-17	19.5
2026-05-18	19.8
2026-05-19	19.4
2026-05-20	19.4
2026-05-21	19.7
2026-05-22	20.1
2026-05-23	20.7
2026-05-24	21.3
2026-05-25	21.4
2026-05-26	21.7
2026-05-27	22.2
2026-05-28	22.4
2026-05-29	22.7
2026-05-30	23.0
2026-05-31	23.3

Wave height (m)

Daily mean wave height

Date	Wave height (m)
2026-05-01	1.1
2026-05-02	1.2
2026-05-03	1.1
2026-05-04	0.5
2026-05-05	0.8
2026-05-06	1.3
2026-05-07	2.1
2026-05-08	0.9
2026-05-09	0.8
2026-05-10	1.2
2026-05-11	0.8
2026-05-12	0.5
2026-05-13	0.8
2026-05-14	1.2
2026-05-15	1.0
2026-05-16	1.3
2026-05-17	1.2
2026-05-18	0.6
2026-05-19	0.8
2026-05-20	0.7
2026-05-21	0.5
2026-05-22	0.6
2026-05-23	0.5
2026-05-24	0.4
2026-05-25	0.3
2026-05-26	0.3
2026-05-27	0.2
2026-05-28	0.3
2026-05-29	0.3
2026-05-30	0.3
2026-05-31	0.2

Precipitation (mm)

Daily precipitation total

Date	Precipitation (mm)
2026-05-01	0.0
2026-05-02	0.0
2026-05-03	0.0
2026-05-04	0.0
2026-05-05	0.0
2026-05-06	0.0
2026-05-07	0.0
2026-05-08	0.3
2026-05-09	0.0
2026-05-10	1.8
2026-05-11	0.0
2026-05-12	0.0
2026-05-13	0.0
2026-05-14	0.0
2026-05-15	1.3
2026-05-16	11.1
2026-05-17	1.1
2026-05-18	0.0
2026-05-19	0.0
2026-05-20	0.0
2026-05-21	0.0
2026-05-22	0.0
2026-05-23	0.0
2026-05-24	0.0
2026-05-25	0.0
2026-05-26	0.0
2026-05-27	0.0
2026-05-28	0.0
2026-05-29	0.0
2026-05-30	0.0
2026-05-31	0.0

Sunshine duration (h)

WMO-defined direct sunshine hours

Date	Sunshine (h)
2026-05-01	12.1
2026-05-02	12.1
2026-05-03	12.3
2026-05-04	12.2
2026-05-05	12.4
2026-05-06	9.1
2026-05-07	10.9
2026-05-08	12.5
2026-05-09	12.6
2026-05-10	12.3
2026-05-11	12.1
2026-05-12	11.7
2026-05-13	10.1
2026-05-14	12.1
2026-05-15	9.8
2026-05-16	12.0
2026-05-17	9.4
2026-05-18	13.9
2026-05-19	14.0
2026-05-20	14.0
2026-05-21	14.0
2026-05-22	14.0
2026-05-23	14.0
2026-05-24	14.0
2026-05-25	14.0
2026-05-26	14.0
2026-05-27	14.0
2026-05-28	14.0
2026-05-29	14.0
2026-05-30	14.0
2026-05-31	14.0

Humidity (%)

Daily mean relative humidity

Date	Humidity (%)
2026-05-01	73.0
2026-05-02	49.0
2026-05-03	54.0
2026-05-04	62.0
2026-05-05	73.0
2026-05-06	70.0
2026-05-07	69.0
2026-05-08	71.0
2026-05-09	79.0
2026-05-10	81.0
2026-05-11	71.0
2026-05-12	62.0
2026-05-13	66.0
2026-05-14	63.0
2026-05-15	69.0
2026-05-16	72.0
2026-05-17	57.0
2026-05-18	64.0
2026-05-19	65.0
2026-05-20	68.0
2026-05-21	63.0
2026-05-22	64.0
2026-05-23	61.0
2026-05-24	60.0
2026-05-25	71.0
2026-05-26	63.0
2026-05-27	59.0
2026-05-28	58.0
2026-05-29	66.0
2026-05-30	65.0
2026-05-31	62.0

Wind (km/h)

Daily maximum wind speed

Date	Maximum wind (km/h)
2026-05-01	23.1
2026-05-02	20.1
2026-05-03	15.4
2026-05-04	15.0
2026-05-05	17.2
2026-05-06	30.5
2026-05-07	32.2
2026-05-08	15.2
2026-05-09	22.9
2026-05-10	31.8
2026-05-11	19.7
2026-05-12	17.5
2026-05-13	31.0
2026-05-14	28.4
2026-05-15	22.0
2026-05-16	32.3
2026-05-17	23.5
2026-05-18	12.1
2026-05-19	26.9
2026-05-20	19.6
2026-05-21	17.3
2026-05-22	15.6
2026-05-23	10.6
2026-05-24	7.6
2026-05-25	15.4
2026-05-26	11.2
2026-05-27	9.4
2026-05-28	13.4
2026-05-29	15.2
2026-05-30	12.7
2026-05-31	7.7

Daily weather values

Source values for May 2026; unavailable readings are shown as gaps.

Date	Conditions	Min / max (°C)	Sea (°C)	Waves (m)	Rain (mm)	Sun (h)	Humidity (%)	Wind (km/h)
2026-05-01	Overcast	17 / 20	18.6	1.1	0.0	12.1	73.0	23.1
2026-05-02	Overcast	16 / 20	18.4	1.2	0.0	12.1	49.0	20.1
2026-05-03	Overcast	13 / 21	18.6	1.1	0.0	12.3	54.0	15.4
2026-05-04	Overcast	14 / 21	18.6	0.5	0.0	12.2	62.0	15.0
2026-05-05	Overcast	15 / 22	18.7	0.8	0.0	12.4	73.0	17.2
2026-05-06	Overcast	17 / 22	18.6	1.3	0.0	9.1	70.0	30.5
2026-05-07	Overcast	19 / 24	18.3	2.1	0.0	10.9	69.0	32.2
2026-05-08	Drizzle	18 / 26	19.0	0.9	0.3	12.5	71.0	15.2
2026-05-09	Overcast	17 / 23	19.5	0.8	0.0	12.6	79.0	22.9
2026-05-10	Rain	18 / 23	19.0	1.2	1.8	12.3	81.0	31.8
2026-05-11	Overcast	17 / 26	19.3	0.8	0.0	12.1	71.0	19.7
2026-05-12	Overcast	18 / 26	19.6	0.5	0.0	11.7	62.0	17.5
2026-05-13	Overcast	19 / 23	19.6	0.8	0.0	10.1	66.0	31.0
2026-05-14	Overcast	18 / 22	19.4	1.2	0.0	12.1	63.0	28.4
2026-05-15	Drizzle	18 / 26	19.5	1.0	1.3	9.8	69.0	22.0
2026-05-16	Rain	17 / 21	19.6	1.3	11.1	12.0	72.0	32.3
2026-05-17	Drizzle	17 / 21	19.5	1.2	1.1	9.4	57.0	23.5
2026-05-18	Overcast	15 / 22	19.8	0.6	0.0	13.9	64.0	12.1
2026-05-19	Mostly clear	17 / 22	19.4	0.8	0.0	14.0	65.0	26.9
2026-05-20	Clear sky	17 / 23	19.4	0.7	0.0	14.0	68.0	19.6
2026-05-21	Clear sky	17 / 24	19.7	0.5	0.0	14.0	63.0	17.3
2026-05-22	Clear sky	18 / 26	20.1	0.6	0.0	14.0	64.0	15.6
2026-05-23	Clear sky	18 / 27	20.7	0.5	0.0	14.0	61.0	10.6
2026-05-24	Mostly clear	18 / 27	21.3	0.4	0.0	14.0	60.0	7.6
2026-05-25	Partly cloudy	20 / 25	21.4	0.3	0.0	14.0	71.0	15.4
2026-05-26	Overcast	19 / 27	21.7	0.3	0.0	14.0	63.0	11.2
2026-05-27	Clear sky	20 / 29	22.2	0.2	0.0	14.0	59.0	9.4
2026-05-28	Clear sky	21 / 31	22.4	0.3	0.0	14.0	58.0	13.4
2026-05-29	Clear sky	20 / 29	22.7	0.3	0.0	14.0	66.0	15.2
2026-05-30	Clear sky	20 / 28	23.0	0.3	0.0	14.0	65.0	12.7
2026-05-31	Mostly clear	19 / 28	23.3	0.2	0.0	14.0	62.0	7.7