Shāl weather in May

In May, Shāl sees average daytime highs of 26°C and overnight lows near 12°C, with 22 mm of precipitation across 5.9 wet days and about 13.9 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 23°C in the first days to 29°C by the end. The sky is clear or mostly clear about 56% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 24 min at the start of May to 14 h 12 min by month's end. Set against the rest of the year, May is Shāl's 6th-clearest and 5th-windiest month. For the whole year in context, see Shāl's year-round climate.

Daytime high: 26°; 5th warmest
Overnight low: 12°; 8th coldest
Precipitation: 22 mm; 5.9 wet days
Daylight: 13 h 54 min; 5:10 AM – 7:04 PM
Cloud cover: 40%; 6th clearest
Wind: 9 km/h; 5th windiest
Solar energy: 7.16 kWh/m²
Travel score: 7.4; out of 10

Shāl is city in Qazvin Province, Iran.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

← April Shāl year-round climate June →Best places to visit in May

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 23°C in the first days to 29°C by the end.

A typical May day in Shāl reaches about 26°C in the afternoon and slips back to 12°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 31°C. Set against its neighbours, May runs about 6°C warmer than April and about 6°C cooler than June.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	23	23	23	23	23	24	24	24	24	25	25	25	25	25	26	26	26	26	27	27	27	27	28	28	28	28	29	29	29	29	30
Avg low (°C)	10	10	10	10	10	10	10	11	11	11	11	11	11	12	12	12	12	12	12	12	13	13	13	13	13	13	14	14	14	14	14

	Avg high (°C)	Avg low (°C)
1	23	10
2	23	10
3	23	10
4	23	10
5	23	10
6	24	10
7	24	10
8	24	11
9	24	11
10	25	11
11	25	11
12	25	11
13	25	11
14	25	12
15	26	12
16	26	12
17	26	12
18	26	12
19	27	12
20	27	12
21	27	13
22	27	13
23	28	13
24	28	13
25	28	13
26	28	13
27	29	14
28	29	14
29	29	14
30	29	14
31	30	14

How May really feels in Shāl

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Shāl weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 7th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	6° / -4°	33	7	4.8	9.8	0.5
Feb	8° / -2°	38	7.7	3.2	10.6	1.7
Mar	14° / 2°	48	8.6	2.1	11.7	4.5
Apr	20° / 7°	47	9	0.5	12.9	6.6
May	26° / 12°	22	5.9	0.1	13.9	7.4
Jun	32° / 16°	5	1.3	0	14.4	5.4
Jul	34° / 18°	2	0.7	0	14.2	3.8
Aug	34° / 17°	2	0.3	0	13.4	4.0
Sep	30° / 14°	2	0.6	0	12.2	6.8
Oct	23° / 9°	20	3.8	0.1	11.1	8.2
Nov	14° / 3°	37	7	1	10.1	4.5
Dec	8° / -2°	34	7	3	9.6	1.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 56% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 20% of May, with mostly cloudy or overcast conditions the remaining 25%. Skies tend to open up as the month goes on.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	61	62	62	62	64	64	65	66	67	68	70	70	72	73	75	76	77	78	79	81	82	83	84	85	85	86	87	88	88	89	89
Cloudier (%)	39	38	38	38	36	36	35	34	33	32	30	30	28	27	25	24	23	22	21	19	18	17	16	15	15	14	13	12	12	11	11

	Clearer (%)	Cloudier (%)
1	61	39
2	62	38
3	62	38
4	62	38
5	64	36
6	64	36
7	65	35
8	66	34
9	67	33
10	68	32
11	70	30
12	70	30
13	72	28
14	73	27
15	75	25
16	76	24
17	77	23
18	78	22
19	79	21
20	81	19
21	82	18
22	83	17
23	84	16
24	85	15
25	85	15
26	86	14
27	87	13
28	88	12
29	88	12
30	89	11
31	89	11

Chance of precipitation in May

Any precipitation

Shāl gets around 22 mm of rain and snow over 5.9 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 19% and peaks near 29% on the wettest days, and about 0 day brings snow. The odds ease toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	29	29	28	27	26	26	25	24	23	22	21	20	19	19	18	18	17	17	16	16	16	15	15	15	14	14	13	13	12	12	11

	Rain chance (%)
1	29
2	29
3	28
4	27
5	26
6	26
7	25
8	24
9	23
10	22
11	21
12	20
13	19
14	19
15	18
16	18
17	17
18	17
19	16
20	16
21	16
22	15
23	15
24	15
25	14
26	14
27	13
28	13
29	12
30	12
31	11

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	99	99
Comfortable (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	99	1
31	99	1

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	10	10	10	10	10	10	10
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	9	calm
2	9	calm
3	9	calm
4	9	calm
5	9	calm
6	9	calm
7	9	calm
8	9	calm
9	9	calm
10	9	calm
11	9	calm
12	9	calm
13	9	calm
14	9	calm
15	9	calm
16	9	calm
17	9	calm
18	9	calm
19	9	calm
20	9	calm
21	9	calm
22	9	calm
23	9	calm
24	9	calm
25	10	calm
26	10	calm
27	10	calm
28	10	calm
29	10	calm
30	10	calm
31	10	calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 24 min at the start of May to 14 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over May. Sunrise moves from 5:25 AM to 5:01 AM, and sunset from 6:51 PM to 7:15 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	13.4	13.5	13.5	13.5	13.6	13.6	13.6	13.7	13.7	13.7	13.8	13.8	13.8	13.8	13.9	13.9	13.9	13.9	14.0	14.0	14.0	14.0	14.1	14.1	14.1	14.1	14.2	14.2	14.2	14.2	14.2
Sunrise (AM)	5:25	5:24	5:23	5:22	5:21	5:20	5:19	5:18	5:17	5:16	5:15	5:14	5:13	5:12	5:11	5:10	5:10	5:09	5:08	5:07	5:07	5:06	5:05	5:05	5:04	5:04	5:03	5:03	5:02	5:02	5:01
Sunset (PM)	6:51	6:52	6:53	6:54	6:55	6:56	6:56	6:57	6:58	6:59	7:00	7:01	7:01	7:02	7:03	7:04	7:05	7:06	7:06	7:07	7:08	7:09	7:10	7:10	7:11	7:12	7:13	7:13	7:14	7:15	7:15

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	13.4	5:25	6:51
2	13.5	5:24	6:52
3	13.5	5:23	6:53
4	13.5	5:22	6:54
5	13.6	5:21	6:55
6	13.6	5:20	6:56
7	13.6	5:19	6:56
8	13.7	5:18	6:57
9	13.7	5:17	6:58
10	13.7	5:16	6:59
11	13.8	5:15	7:00
12	13.8	5:14	7:01
13	13.8	5:13	7:01
14	13.8	5:12	7:02
15	13.9	5:11	7:03
16	13.9	5:10	7:04
17	13.9	5:10	7:05
18	13.9	5:09	7:06
19	14.0	5:08	7:06
20	14.0	5:07	7:07
21	14.0	5:07	7:08
22	14.0	5:06	7:09
23	14.1	5:05	7:10
24	14.1	5:05	7:10
25	14.1	5:04	7:11
26	14.1	5:04	7:12
27	14.2	5:03	7:13
28	14.2	5:03	7:13
29	14.2	5:02	7:14
30	14.2	5:02	7:15
31	14.2	5:01	7:15

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.16 kWh/m².

For context, solar energy here swings from a low near 2.62 kWh/m² to a high of 7.81 kWh/m² in June across the year — May's 7.16 kWh/m² sits near the top of that range.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	6.7	6.7	6.7	6.8	6.8	6.8	6.9	6.9	6.9	7.0	7.0	7.0	7.1	7.1	7.2	7.2	7.2	7.3	7.3	7.3	7.3	7.4	7.4	7.4	7.5	7.5	7.5	7.5	7.6	7.6	7.6
Level	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense

	Solar energy (kWh/m²)	Level
1	6.7	Intense
2	6.7	Intense
3	6.7	Intense
4	6.8	Intense
5	6.8	Intense
6	6.8	Intense
7	6.9	Intense
8	6.9	Intense
9	6.9	Intense
10	7.0	Intense
11	7.0	Intense
12	7.0	Intense
13	7.1	Intense
14	7.1	Intense
15	7.2	Intense
16	7.2	Intense
17	7.2	Intense
18	7.3	Intense
19	7.3	Intense
20	7.3	Intense
21	7.3	Intense
22	7.4	Intense
23	7.4	Intense
24	7.4	Intense
25	7.5	Intense
26	7.5	Intense
27	7.5	Intense
28	7.5	Intense
29	7.6	Intense
30	7.6	Intense
31	7.6	Intense

Planning a trip in May

Is May a good time to visit Shāl?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

7.4

Sightseeing

2nd-best month of the year

7.2

Beach & pool

5th-best month of the year

May is one of the better times to visit Shāl for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Shāl in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, Shāl sees daytime highs around 26°C and nights near 12°C. Pack sun protection. Worth having: light clothes. About 6 days see rain.

sun protectionlight clothes

UV index in Shāl in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Shāl peaks around July 18 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 12 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	3	5	5	7	9	10	11	10	8	6	3	3
Level	Moderate	Moderate	Moderate	High	Very high	Very high	Extreme	Very high	Very high	High	Moderate	Moderate

	UV index (midday)	Level
Jan	3	Moderate
Feb	5	Moderate
Mar	5	Moderate
Apr	7	High
May	9	Very high
Jun	10	Very high
Jul	11	Extreme
Aug	10	Very high
Sep	8	Very high
Oct	6	High
Nov	3	Moderate
Dec	3	Moderate

Air quality in Shāl in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Shāl is worst in April — around 39 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	28	31	36	39	36	27	26	26	28	30	30	31
Level	Moderate	Moderate	Poor	Poor	Poor	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	28	Moderate
Feb	31	Moderate
Mar	36	Poor
Apr	39	Poor
May	36	Poor
Jun	27	Moderate
Jul	26	Moderate
Aug	26	Moderate
Sep	28	Moderate
Oct	30	Moderate
Nov	30	Moderate
Dec	31	Moderate

Location & terrain

Where is Shāl?

Shāl sits at 35.9°N, 49.8°E, 1,273 m above sea level, in Iran. The nearest listed city is Tākestān, 20 km away.

Topography around Shāl

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Shāl.

Within 3 km, the terrain around Shāl has only modest variations in elevation — a maximum elevation change of 35 m around an average of 1,273 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 372 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,614 m.

The land around Shāl is covered by cropland (85%) within 3 km, cropland (90%) within 16 km, and grassland (48%) and cropland (40%) within 80 km.

3 km

35 m

cropland 85%

16 km

372 m

cropland 90%

80 km

2,614 m

grassland 48%

shrubsgrasslandcroplandartificial surfacesbare terrain

← April Shāl year-round climate June →Best places to visit in May

May weather nearby: Tākestān 20 km · Eqbālīyeh 40 km · Alvand 42 km · Maḩmūdābād Nemūneh 45 km · Qazvin 46 km · Bīdestān 49 km · Sharīfābād 49 km · Moḩammadīyeh 52 km

Iran travel facts

Travel advisory: Level 4; Do Not Travel
Power plugs: Type C / F; 220 V · 50 Hz
Prices: ≈ 352% of US; price level, 2025
GDP per capita: $3,924; 2025
Happiness: 5.2 / 10; World Happiness, 2025
Safe drinking water: 94%; of population, 2024
Homicide rate: 2.4; per 100k, 2014
Road deaths: 21.5; per 100k/yr, 2019
Income group: Upper middle; World Bank
English: Low; EF EPI 492
Religion

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Shāl (35.8981°, 49.7691°, elevation 1,273 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).

	Avg high (°C)	Avg low (°C)
1	23	10
2	23	10
3	23	10
4	23	10
5	23	10
6	24	10
7	24	10
8	24	11
9	24	11
10	25	11
11	25	11
12	25	11
13	25	11
14	25	12
15	26	12
16	26	12
17	26	12
18	26	12
19	27	12
20	27	12
21	27	13
22	27	13
23	28	13
24	28	13
25	28	13
26	28	13
27	29	14
28	29	14
29	29	14
30	29	14
31	30	14

	Clearer (%)	Cloudier (%)
1	61	39
2	62	38
3	62	38
4	62	38
5	64	36
6	64	36
7	65	35
8	66	34
9	67	33
10	68	32
11	70	30
12	70	30
13	72	28
14	73	27
15	75	25
16	76	24
17	77	23
18	78	22
19	79	21
20	81	19
21	82	18
22	83	17
23	84	16
24	85	15
25	85	15
26	86	14
27	87	13
28	88	12
29	88	12
30	89	11
31	89	11

	Rain chance (%)
1	29
2	29
3	28
4	27
5	26
6	26
7	25
8	24
9	23
10	22
11	21
12	20
13	19
14	19
15	18
16	18
17	17
18	17
19	16
20	16
21	16
22	15
23	15
24	15
25	14
26	14
27	13
28	13
29	12
30	12
31	11

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	99	1
31	99	1

	Avg high (°C)	Avg low (°C)
1	23	10
2	23	10
3	23	10
4	23	10
5	23	10
6	24	10
7	24	10
8	24	11
9	24	11
10	25	11
11	25	11
12	25	11
13	25	11
14	25	12
15	26	12
16	26	12
17	26	12
18	26	12
19	27	12
20	27	12
21	27	13
22	27	13
23	28	13
24	28	13
25	28	13
26	28	13
27	29	14
28	29	14
29	29	14
30	29	14
31	30	14

	Clearer (%)	Cloudier (%)
1	61	39
2	62	38
3	62	38
4	62	38
5	64	36
6	64	36
7	65	35
8	66	34
9	67	33
10	68	32
11	70	30
12	70	30
13	72	28
14	73	27
15	75	25
16	76	24
17	77	23
18	78	22
19	79	21
20	81	19
21	82	18
22	83	17
23	84	16
24	85	15
25	85	15
26	86	14
27	87	13
28	88	12
29	88	12
30	89	11
31	89	11

	Rain chance (%)
1	29
2	29
3	28
4	27
5	26
6	26
7	25
8	24
9	23
10	22
11	21
12	20
13	19
14	19
15	18
16	18
17	17
18	17
19	16
20	16
21	16
22	15
23	15
24	15
25	14
26	14
27	13
28	13
29	12
30	12
31	11

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	99	1
31	99	1

	Avg high (°C)	Avg low (°C)
1	23	10
2	23	10
3	23	10
4	23	10
5	23	10
6	24	10
7	24	10
8	24	11
9	24	11
10	25	11
11	25	11
12	25	11
13	25	11
14	25	12
15	26	12
16	26	12
17	26	12
18	26	12
19	27	12
20	27	12
21	27	13
22	27	13
23	28	13
24	28	13
25	28	13
26	28	13
27	29	14
28	29	14
29	29	14
30	29	14
31	30	14

	Clearer (%)	Cloudier (%)
1	61	39
2	62	38
3	62	38
4	62	38
5	64	36
6	64	36
7	65	35
8	66	34
9	67	33
10	68	32
11	70	30
12	70	30
13	72	28
14	73	27
15	75	25
16	76	24
17	77	23
18	78	22
19	79	21
20	81	19
21	82	18
22	83	17
23	84	16
24	85	15
25	85	15
26	86	14
27	87	13
28	88	12
29	88	12
30	89	11
31	89	11

	Rain chance (%)
1	29
2	29
3	28
4	27
5	26
6	26
7	25
8	24
9	23
10	22
11	21
12	20
13	19
14	19
15	18
16	18
17	17
18	17
19	16
20	16
21	16
22	15
23	15
24	15
25	14
26	14
27	13
28	13
29	12
30	12
31	11

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	99	1
31	99	1