Varāmīn weather in May

In May, Varāmīn sees average daytime highs of 31°C and overnight lows near 19°C, with 9 mm of rain across 1.9 wet days and about 13.8 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 29°C in the first days to 34°C by the end. The sky is clear or mostly clear about 65% 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 Varāmīn's 6th-clearest and 4th-windiest month. For the whole year in context, see Varāmīn's year-round climate.

Daytime high
31°
5th warmest
Overnight low
19°
8th coldest
Rainfall
9 mm
1.9 wet days
Daylight
13 h 54 min
5:04 AM – 6:55 PM
Cloud cover
34%
6th clearest
Wind
10 km/h
4th windiest
Solar energy
7.43 kWh/m²
Travel score
5.3
out of 10

Varāmīn is city in Tehran Province, Iran.

Air quality
Very high
PM2.5 36.4 µg/m³ · 2016

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 29°C in the first days to 34°C by the end.

A typical May day in Varāmīn reaches about 31°C in the afternoon and slips back to 19°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 35°C. Set against its neighbours, May runs about 6°C warmer than April and about 6°C cooler than June.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
12816
22816
32917
42917
52917
62917
72917
83018
93018
103018
113018
123118
133119
143119
153119
163119
173219
183219
193220
203220
213320
223320
233320
243321
253421
263421
273421
283421
293421
303522
313522

How May really feels in Varāmīn

Once humidity and wind are folded in, May averages 13 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
13
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Varāmīn 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
Jan10° / 235.21.39.92.9
Feb13° / 235.20.710.74.4
Mar19° / 325.70.211.76.9
Apr25° / 13°224.3012.97.9
May31° / 19°91.9013.85.3
Jun38° / 24°20.3014.31.7
Jul40° / 27°10.1014.10.1
Aug39° / 25°10.2013.30.9
Sep34° / 20°10.2012.24.0
Oct27° / 14°81.7011.18.0
Nov18° / 254.30.110.16.6
Dec12° / 2250.39.73.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 65% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 19%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16832
26931
36931
47030
57129
67129
77327
87426
97525
107624
117723
127822
137921
148020
158119
168119
178317
188416
198416
208614
218614
228713
238713
248812
258911
268911
279010
28919
29919
30928
31928

Chance of precipitation in May

Any precipitation

Varāmīn gets around 9 mm of rain over 1.9 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 6% and peaks near 12% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
112
212
312
411
511
610
710
89
99
108
118
127
137
146
156
165
175
185
194
204
214
224
234
243
253
263
273
283
293
303
313

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 10 km/h in May.

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

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

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 5:18 AM to 4:55 AM, and sunset from 6:43 PM to 7:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:186:43
213.45:176:44
313.55:166:45
413.55:156:45
513.55:146:46
613.65:136:47
713.65:126:48
813.65:116:49
913.75:106:50
1013.75:096:50
1113.75:086:51
1213.75:076:52
1313.85:076:53
1413.85:066:54
1513.85:056:54
1613.95:046:55
1713.95:036:56
1813.95:036:57
1913.95:026:58
2014.05:016:58
2114.05:006:59
2214.05:007:00
2314.04:597:01
2414.04:597:01
2514.14:587:02
2614.14:587:03
2714.14:577:04
2814.14:577:04
2914.14:567:05
3014.24:567:06
3114.24:557:06

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.43 kWh/m².

For context, solar energy here swings from a low near 2.76 kWh/m² to a high of 7.96 kWh/m² in June across the year — May's 7.43 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.0Intense
27.0Intense
37.1Intense
47.1Intense
57.1Intense
67.1Intense
77.2Intense
87.2Intense
97.2Intense
107.3Intense
117.3Intense
127.3Intense
137.4Intense
147.4Intense
157.4Intense
167.5Intense
177.5Intense
187.5Intense
197.5Intense
207.6Intense
217.6Intense
227.6Intense
237.7Intense
247.7Intense
257.7Intense
267.7Intense
277.8Intense
287.8Intense
297.8Intense
307.8Intense
317.8Intense
Planning a trip in May

Is May a good time to visit Varāmīn?

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

5.3
Sightseeing
5th-best month of the year
8.0
Beach & pool
2nd-best month of the year

May is a reasonable time to visit Varāmīn for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Varāmīn in May

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

In May, Varāmīn sees daytime highs around 31°C and nights near 19°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Varāmīn 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 Varāmīn peaks around July 18 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 18UV 10Jan 1UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar5Moderate
Apr7High
May9Very high
Jun9Very high
Jul10Very high
Aug9Very high
Sep8Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in Varāmīn 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 Varāmīn is worst in December — around 60 µg/m³ PM2.5 (unhealthy), about 3.5× the cleanest month (July, 17 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Varāmīn's WHO annual average of 36.4 µg/m³.

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyDec 2260 µg/m³Jul 1917 µg/m³
PM2.5 (µg/m³)Level
Jan58Unhealthy
Feb51Poor
Mar38Poor
Apr35Poor
May29Moderate
Jun21Moderate
Jul17Moderate
Aug19Moderate
Sep25Moderate
Oct35Moderate
Nov49Poor
Dec60Unhealthy
Location & terrain

Where is Varāmīn?

Varāmīn sits at 35.3°N, 51.6°E, 920 m above sea level, in Iran. The nearest listed city is Pīshvā, 8.0 km away.

Topography around Varāmīn

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

Within 3 km, the terrain around Varāmīn has only modest variations in elevation — a maximum elevation change of 49 m around an average of 918 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 251 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,271 m.

The land around Varāmīn is covered by cropland (45%) and artificial surfaces (36%) within 3 km, cropland (63%) and bare terrain (21%) within 16 km, and bare terrain (62%) within 80 km.

3 km
49 m
16 km
251 m
80 km
4,271 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Pīshvā 8.0 km · Eqbālīyeh 10 km · Qarchak 13 km · Pākdasht 17 km · Mojtame‘-e Maskūnī-ye Nāmjū 18 km · Kahrīzak 18 km · Ferūnābād 21 km · Qīāmdasht 22 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 Varāmīn (35.3242°, 51.6457°, elevation 920 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).