Bījār weather in May

In May, Bījār sees average daytime highs of 23°C and overnight lows near 9°C, with 34 mm of rain across 8.2 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 20°C in the first days to 26°C by the end. The sky is clear or mostly clear about 54% 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 Bījār's 6th-clearest and 3rd-windiest month. For the whole year in context, see Bījār's year-round climate.

Daytime high
23°
5th warmest
Overnight low
8th coldest
Rainfall
34 mm
8.2 wet days
Daylight
13 h 54 min
5:19 AM – 7:13 PM
Cloud cover
40%
6th clearest
Wind
12 km/h
3rd windiest
Solar energy
7.32 kWh/m²
Travel score
7.3
out of 10

Bījār is city in Kurdistan Province, Iran.

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 20°C in the first days to 26°C by the end.

A typical May day in Bījār reaches about 23°C in the afternoon and slips back to 9°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 27°C. Set against its neighbours, May runs about 6°C warmer than April and about 7°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1196
2207
3207
4207
5207
6207
7217
8217
9218
10218
11218
12228
13228
14228
15228
16239
17239
18239
19249
20249
21249
222410
232510
242510
252510
262510
272611
282611
292611
302711
312711

How May really feels in Bījār

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
0
heat index over the day's high
Days feeling ≤ C
0
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.

Bījār 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.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -7°377.67.39.80.0
Feb / -6°4086.510.60.2
Mar11° / -1°529.74.211.72.7
Apr17° / 5310.60.812.95.4
May23° / 348.2013.97.3
Jun30° / 14°51.3014.46.6
Jul34° / 17°20.6014.24.1
Aug33° / 16°10.3013.44.4
Sep28° / 12°20.6012.27.8
Oct21° / 244.6011.17.8
Nov12° / 427.21.710.13.4
Dec / -4°367.15.49.60.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 22% of May, with mostly cloudy or overcast conditions the remaining 25%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16436
26436
36535
46535
56535
66634
76634
86832
96832
107030
117129
127228
137327
147426
157525
167624
177723
187723
197921
207921
218020
228119
238218
248218
258317
268416
278515
288515
298614
308812
318812

Chance of precipitation in May

Any precipitation

Bījār gets around 34 mm of rain over 8.2 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 26% and peaks near 35% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
235
334
434
534
633
733
832
931
1031
1130
1229
1329
1428
1528
1627
1726
1826
1925
2024
2123
2222
2322
2421
2520
2619
2718
2817
2916
3015
3114

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.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in May

Winds average 12 km/h in May.

Across May, daily wind ranges from about 12 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

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 5:34 AM to 5:10 AM, and sunset from 7:00 PM to 7:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:347:00
213.55:337:01
313.55:317:02
413.55:307:02
513.65:297:03
613.65:287:04
713.65:277:05
813.75:267:06
913.75:257:07
1013.75:247:08
1113.85:237:08
1213.85:227:09
1313.85:227:10
1413.85:217:11
1513.95:207:12
1613.95:197:13
1713.95:187:13
1813.95:187:14
1914.05:177:15
2014.05:167:16
2114.05:157:17
2214.05:157:17
2314.15:147:18
2414.15:147:19
2514.15:137:20
2614.15:127:20
2714.25:127:21
2814.25:117:22
2914.25:117:22
3014.25:107:23
3114.25:107:24

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.32 kWh/m².

For context, solar energy here swings from a low near 2.71 kWh/m² to a high of 8.01 kWh/m² in June across the year — May's 7.32 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
16.8Intense
26.8Intense
36.9Intense
46.9Intense
56.9Intense
67.0Intense
77.0Intense
87.0Intense
97.1Intense
107.1Intense
117.2Intense
127.2Intense
137.2Intense
147.3Intense
157.3Intense
167.3Intense
177.4Intense
187.4Intense
197.5Intense
207.5Intense
217.5Intense
227.6Intense
237.6Intense
247.6Intense
257.7Intense
267.7Intense
277.7Intense
287.7Intense
297.8Intense
307.8Intense
317.8Intense
Planning a trip in May

Is May a good time to visit Bījār?

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

7.3
Sightseeing
3rd-best month of the year
5.5
Beach & pool
5th-best month of the year

May is one of the better times to visit Bījār for general sightseeing.

What to pack for Bījār in May

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

In May, Bījār sees daytime highs around 23°C and nights near 9°C. Pack sun protection. Worth having: light clothes and rain gear. About 8 days see rain.

sun protectionlight clothesrain gear

UV index in Bījār 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 Bījār peaks around July 17 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highExtremeVery highHighModerateJul 17UV 11Jan 12UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar5Moderate
Apr7Very high
May9Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Bījār 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 Bījār is worst in May — around 32 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 17 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1032 µg/m³Dec 1917 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb21Moderate
Mar28Moderate
Apr31Moderate
May32Moderate
Jun25Moderate
Jul23Moderate
Aug21Moderate
Sep22Moderate
Oct23Moderate
Nov19Moderate
Dec17Moderate
Location & terrain

Where is Bījār?

Bījār sits at 35.9°N, 47.6°E, 1,929 m above sea level, in Iran. The nearest listed city is Dīvāndarreh, 53 km away.

ZanjanSonqorKabūdarāhang

Topography around Bījār

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

Within 3 km, the terrain around Bījār has significant variations in elevation — a maximum elevation change of 520 m around an average of 2,009 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 929 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,723 m.

The land around Bījār is covered by grassland (50%) and cropland (20%) within 3 km, cropland (69%) and grassland (26%) within 16 km, and cropland (63%) and grassland (31%) within 80 km.

3 km
520 m
16 km
929 m
80 km
1,723 m
treesgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Dīvāndarreh 53 km · Takāb 74 km · Qorveh 80 km · Sanandaj 82 km · Qīdar 93 km · Zanjan 120 km · Sonqor 121 km · Kabūdarāhang 125 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
Muslim 99%Christian 1%Baha'i 0%agnostic 0%

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 Bījār (35.8668°, 47.6051°, elevation 1,929 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).