Bostānābād weather in May

In May, Bostānābād sees average daytime highs of 18°C and overnight lows near 6°C, with 132 mm of precipitation across 19 wet days and about 14 hours of daylight. It is the 5th-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 15°C in the first days to 21°C by the end. The sky is clear or mostly clear about 35% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 30 min at the start of May to 14 h 24 min by month's end. Set against the rest of the year, May is Bostānābād's 11th-clearest and 5th-windiest month. For the whole year in context, see Bostānābād's year-round climate.

Daytime high: 18°; 5th warmest
Overnight low: 6°; 8th coldest
Precipitation: 132 mm; 19 wet days
Daylight: 14 hours; 5:18 AM – 7:20 PM
Cloud cover: 53%; 11th clearest
Wind: 10 km/h; 5th windiest
Solar energy: 6.99 kWh/m²
Travel score: 4.8; out of 10

Bostānābād is city in East Azerbaijan Province, Iran.

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

← April Bostānābād 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 15°C in the first days to 21°C by the end.

A typical May day in Bostānābād reaches about 18°C in the afternoon and slips back to 6°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 22°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)	15	15	15	16	16	16	16	16	17	17	17	17	17	18	18	18	18	19	19	19	19	19	20	20	20	20	21	21	21	21	22
Avg low (°C)	4	4	4	4	4	5	5	5	5	5	5	5	6	6	6	6	6	6	6	7	7	7	7	7	7	7	7	8	8	8	8

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

How May really feels in Bostānābād

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.

Bostānābād weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 1st-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	-1° / -10°	46	8.4	9	9.7	0.0
Feb	1° / -9°	59	9.4	9.7	10.5	0.0
Mar	6° / -4°	85	13	10.2	11.7	0.4
Apr	12° / 1°	121	16.3	4.3	12.9	2.8
May	18° / 6°	132	19	0.3	14	4.8
Jun	24° / 10°	65	11.4	0	14.6	7.1
Jul	27° / 13°	38	6.7	0	14.4	7.4
Aug	28° / 13°	25	4.8	0	13.5	7.6
Sep	23° / 9°	33	5.9	0	12.3	8.0
Oct	16° / 4°	67	9.9	0.7	11	5.4
Nov	7° / -2°	61	8.7	5.4	10	1.2
Dec	1° / -8°	46	8.1	8	9.4	0.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 24% of May, with mostly cloudy or overcast conditions the remaining 42%. 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 (%)	49	50	50	50	50	50	51	51	52	53	53	55	56	56	57	58	58	59	60	60	61	61	62	64	64	66	67	68	70	72	73
Cloudier (%)	51	50	50	50	50	50	49	49	48	47	47	45	44	44	43	42	42	41	40	40	39	39	38	36	36	34	33	32	30	28	27

	Clearer (%)	Cloudier (%)
1	49	51
2	50	50
3	50	50
4	50	50
5	50	50
6	50	50
7	51	49
8	51	49
9	52	48
10	53	47
11	53	47
12	55	45
13	56	44
14	56	44
15	57	43
16	58	42
17	58	42
18	59	41
19	60	40
20	60	40
21	61	39
22	61	39
23	62	38
24	64	36
25	64	36
26	66	34
27	67	33
28	68	32
29	70	30
30	72	28
31	73	27

Chance of precipitation in May

Any precipitationSnow

Bostānābād gets around 132 mm of rain and snow over 19 wet days in May, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 61% and peaks near 66% 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 (%)	62	63	64	65	65	66	66	66	66	66	66	65	65	64	64	63	62	61	61	60	59	58	57	56	56	55	54	53	52	50	49
Snow chance (%)	5	5	4	4	3	3	2	2	2	2	1	1	1	1	1	1	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0

	Rain chance (%)	Snow chance (%)
1	62	5
2	63	5
3	64	4
4	65	4
5	65	3
6	66	3
7	66	2
8	66	2
9	66	2
10	66	2
11	66	1
12	65	1
13	65	1
14	64	1
15	64	1
16	63	1
17	62	1
18	61	1
19	61	0
20	60	0
21	59	0
22	58	0
23	57	0
24	56	0
25	56	0
26	55	0
27	54	0
28	53	0
29	52	0
30	50	0
31	49	0

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	100	100

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

Wind in May

Winds average 10 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)	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9
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	10	calm
2	10	calm
3	10	calm
4	10	calm
5	10	calm
6	10	calm
7	10	calm
8	10	calm
9	10	calm
10	10	calm
11	10	calm
12	10	calm
13	10	calm
14	10	calm
15	10	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	9	calm
26	9	calm
27	9	calm
28	9	calm
29	9	calm
30	9	calm
31	9	calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 30 min at the start of May to 14 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over May. Sunrise moves from 5:33 AM to 5:08 AM, and sunset from 7:06 PM to 7:32 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)	13.5	13.6	13.6	13.7	13.7	13.7	13.8	13.8	13.8	13.9	13.9	13.9	13.9	14.0	14.0	14.0	14.1	14.1	14.1	14.1	14.2	14.2	14.2	14.2	14.3	14.3	14.3	14.3	14.4	14.4	14.4
Sunrise (AM)	5:33	5:32	5:31	5:30	5:29	5:28	5:27	5:26	5:24	5:23	5:22	5:21	5:21	5:20	5:19	5:18	5:17	5:16	5:15	5:15	5:14	5:13	5:12	5:12	5:11	5:11	5:10	5:09	5:09	5:08	5:08
Sunset (PM)	7:06	7:07	7:08	7:09	7:10	7:11	7:12	7:13	7:14	7:15	7:15	7:16	7:17	7:18	7:19	7:20	7:21	7:22	7:23	7:23	7:24	7:25	7:26	7:27	7:28	7:28	7:29	7:30	7:31	7:31	7:32

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	13.5	5:33	7:06
2	13.6	5:32	7:07
3	13.6	5:31	7:08
4	13.7	5:30	7:09
5	13.7	5:29	7:10
6	13.7	5:28	7:11
7	13.8	5:27	7:12
8	13.8	5:26	7:13
9	13.8	5:24	7:14
10	13.9	5:23	7:15
11	13.9	5:22	7:15
12	13.9	5:21	7:16
13	13.9	5:21	7:17
14	14.0	5:20	7:18
15	14.0	5:19	7:19
16	14.0	5:18	7:20
17	14.1	5:17	7:21
18	14.1	5:16	7:22
19	14.1	5:15	7:23
20	14.1	5:15	7:23
21	14.2	5:14	7:24
22	14.2	5:13	7:25
23	14.2	5:12	7:26
24	14.2	5:12	7:27
25	14.3	5:11	7:28
26	14.3	5:11	7:28
27	14.3	5:10	7:29
28	14.3	5:09	7:30
29	14.4	5:09	7:31
30	14.4	5:08	7:31
31	14.4	5:08	7:32

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.99 kWh/m².

For context, solar energy here swings from a low near 2.64 kWh/m² to a high of 7.7 kWh/m² in June across the year — May's 6.99 kWh/m² falls in the middle.

	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)	6.6	6.6	6.6	6.7	6.7	6.7	6.7	6.8	6.8	6.8	6.8	6.9	6.9	6.9	7.0	7.0	7.0	7.0	7.1	7.1	7.1	7.2	7.2	7.2	7.3	7.3	7.3	7.4	7.4	7.5	7.5
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	6.6	Intense
2	6.6	Intense
3	6.6	Intense
4	6.7	Intense
5	6.7	Intense
6	6.7	Intense
7	6.7	Intense
8	6.8	Intense
9	6.8	Intense
10	6.8	Intense
11	6.8	Intense
12	6.9	Intense
13	6.9	Intense
14	6.9	Intense
15	7.0	Intense
16	7.0	Intense
17	7.0	Intense
18	7.0	Intense
19	7.1	Intense
20	7.1	Intense
21	7.1	Intense
22	7.2	Intense
23	7.2	Intense
24	7.2	Intense
25	7.3	Intense
26	7.3	Intense
27	7.3	Intense
28	7.4	Intense
29	7.4	Intense
30	7.5	Intense
31	7.5	Intense

Planning a trip in May

Hazard calendar for Bostānābād

In seasonPeak

In May, Bostānābād sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Bostānābād's rainy season runs March–June, when most of the year's rain falls.

Rainy season

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is May a good time to visit Bostānābād?

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

4.8

Sightseeing

6th-best month of the year

1.8

Beach & pool

5th-best month of the year

May is a reasonable time to visit Bostānābād for sightseeing.

What to pack for Bostānābād in May

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

In May, Bostānābād sees daytime highs around 18°C and nights near 6°C. Pack rain gear and sun protection. Worth having: a warm layer. About 19 days see rain.

rain gearsun protectiona warm layer

UV index in Bostānābād 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 Bostānābād peaks around July 15 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 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	4	4	7	9	11	11	11	8	5	3	3
Level	Moderate	Moderate	Moderate	High	Very high	Extreme	Extreme	Extreme	Very high	High	Moderate	Moderate

	UV index (midday)	Level
Jan	3	Moderate
Feb	4	Moderate
Mar	4	Moderate
Apr	7	High
May	9	Very high
Jun	11	Extreme
Jul	11	Extreme
Aug	11	Extreme
Sep	8	Very high
Oct	5	High
Nov	3	Moderate
Dec	3	Moderate

Air quality in Bostānābād 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 Bostānābād is worst in May — around 32 µg/m³ PM2.5 (moderate), 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)	22	24	29	32	32	24	22	20	21	24	21	21
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	22	Moderate
Feb	24	Moderate
Mar	29	Moderate
Apr	32	Moderate
May	32	Moderate
Jun	24	Moderate
Jul	22	Moderate
Aug	20	Moderate
Sep	21	Moderate
Oct	24	Moderate
Nov	21	Moderate
Dec	21	Moderate

Location & terrain

Where is Bostānābād?

Bostānābād sits at 37.8°N, 46.8°E, 1,725 m above sea level, in Iran. The nearest listed city is Hashtrūd, 45 km away.

Topography around Bostānābād

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

Within 3 km, the terrain around Bostānābād has significant variations in elevation — a maximum elevation change of 306 m around an average of 1,793 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 848 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,736 m.

The land around Bostānābād is covered by grassland (51%) and cropland (26%) within 3 km, grassland (50%) and cropland (36%) within 16 km, and grassland (57%) and cropland (32%) within 80 km.

3 km

306 m

grassland 51%

16 km

848 m

grassland 50%

80 km

2,736 m

grassland 57%

treesgrasslandcroplandartificial surfacesbare terrain

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

May weather nearby: Hashtrūd 45 km · Tabriz 54 km · Sarāb 62 km · Oskū 63 km · Sardrūd 64 km · Sahand 65 km · Khosrowshahr 70 km · Marāgheh 73 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 Bostānābād (37.8463°, 46.8354°, elevation 1,725 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	15	4
2	15	4
3	15	4
4	16	4
5	16	4
6	16	5
7	16	5
8	16	5
9	17	5
10	17	5
11	17	5
12	17	5
13	17	6
14	18	6
15	18	6
16	18	6
17	18	6
18	19	6
19	19	6
20	19	7
21	19	7
22	19	7
23	20	7
24	20	7
25	20	7
26	20	7
27	21	7
28	21	8
29	21	8
30	21	8
31	22	8

	Clearer (%)	Cloudier (%)
1	49	51
2	50	50
3	50	50
4	50	50
5	50	50
6	50	50
7	51	49
8	51	49
9	52	48
10	53	47
11	53	47
12	55	45
13	56	44
14	56	44
15	57	43
16	58	42
17	58	42
18	59	41
19	60	40
20	60	40
21	61	39
22	61	39
23	62	38
24	64	36
25	64	36
26	66	34
27	67	33
28	68	32
29	70	30
30	72	28
31	73	27

	Rain chance (%)	Snow chance (%)
1	62	5
2	63	5
3	64	4
4	65	4
5	65	3
6	66	3
7	66	2
8	66	2
9	66	2
10	66	2
11	66	1
12	65	1
13	65	1
14	64	1
15	64	1
16	63	1
17	62	1
18	61	1
19	61	0
20	60	0
21	59	0
22	58	0
23	57	0
24	56	0
25	56	0
26	55	0
27	54	0
28	53	0
29	52	0
30	50	0
31	49	0

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

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

	Clearer (%)	Cloudier (%)
1	49	51
2	50	50
3	50	50
4	50	50
5	50	50
6	50	50
7	51	49
8	51	49
9	52	48
10	53	47
11	53	47
12	55	45
13	56	44
14	56	44
15	57	43
16	58	42
17	58	42
18	59	41
19	60	40
20	60	40
21	61	39
22	61	39
23	62	38
24	64	36
25	64	36
26	66	34
27	67	33
28	68	32
29	70	30
30	72	28
31	73	27

	Rain chance (%)	Snow chance (%)
1	62	5
2	63	5
3	64	4
4	65	4
5	65	3
6	66	3
7	66	2
8	66	2
9	66	2
10	66	2
11	66	1
12	65	1
13	65	1
14	64	1
15	64	1
16	63	1
17	62	1
18	61	1
19	61	0
20	60	0
21	59	0
22	58	0
23	57	0
24	56	0
25	56	0
26	55	0
27	54	0
28	53	0
29	52	0
30	50	0
31	49	0

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

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

	Clearer (%)	Cloudier (%)
1	49	51
2	50	50
3	50	50
4	50	50
5	50	50
6	50	50
7	51	49
8	51	49
9	52	48
10	53	47
11	53	47
12	55	45
13	56	44
14	56	44
15	57	43
16	58	42
17	58	42
18	59	41
19	60	40
20	60	40
21	61	39
22	61	39
23	62	38
24	64	36
25	64	36
26	66	34
27	67	33
28	68	32
29	70	30
30	72	28
31	73	27

	Rain chance (%)	Snow chance (%)
1	62	5
2	63	5
3	64	4
4	65	4
5	65	3
6	66	3
7	66	2
8	66	2
9	66	2
10	66	2
11	66	1
12	65	1
13	65	1
14	64	1
15	64	1
16	63	1
17	62	1
18	61	1
19	61	0
20	60	0
21	59	0
22	58	0
23	57	0
24	56	0
25	56	0
26	55	0
27	54	0
28	53	0
29	52	0
30	50	0
31	49	0

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