Rūdehen weather in April

In April, Rūdehen sees average daytime highs of 11°C and overnight lows near 4°C, with 53 mm of precipitation across 9.9 wet days and about 12.9 hours of daylight. It is the 7th-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 8°C in the first days to 13°C by the end. The sky is clear or mostly clear about 42% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 18 min at the start of April to 13 h 24 min by month's end. Set against the rest of the year, April is Rūdehen's 12th-clearest and 6th-windiest month. For the whole year in context, see Rūdehen's year-round climate.

Daytime high
11°
7th warmest
Overnight low
6th coldest
Precipitation
53 mm
9.9 wet days
Daylight
12 h 54 min
5:35 AM – 6:30 PM
Cloud cover
49%
12th clearest
Wind
5 km/h
6th windiest
Solar energy
6.36 kWh/m²
Travel score
2.6
out of 10

Rūdehen is city in Tehran Province, Iran.

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 8°C in the first days to 13°C by the end.

A typical April day in Rūdehen reaches about 11°C in the afternoon and slips back to 4°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 15°C. Set against its neighbours, April runs about 7°C warmer than March and about 7°C cooler than May.

-5°10°15°20°151015202530
Avg high (°C)Avg low (°C)
171
271
381
482
582
682
792
892
993
1093
11103
12103
13103
14104
15114
16114
17114
18114
19115
20125
21125
22125
23126
24136
25136
26136
27136
28137
29147
30147

How April really feels in Rūdehen

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 3 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
3
wind chill below the day's low

The story in April is cold — wind chill drags the overnight "feels like" below the raw low.

Rūdehen weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-2° / -8°357.27.59.90.0
Feb-1° / -7°4588.310.60.0
Mar / -2°589.58.311.70.1
Apr11° / 539.92.912.92.6
May17° / 10°306.60.413.96.3
Jun24° / 15°113.3014.48.7
Jul27° / 18°102.4014.28.5
Aug26° / 17°81.8013.48.9
Sep22° / 13°82012.28.8
Oct15° / 2450.811.15.5
Nov / -0°376.95.110.10.9
Dec / -6°356.97.19.60.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in April, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 20% of April, with mostly cloudy or overcast conditions the remaining 37%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16436
26436
36436
46436
56337
66238
76238
86139
96139
106139
116139
126238
136238
146337
156337
166337
176337
186337
196337
206436
216337
226337
236337
246337
256238
266238
276238
286238
296238
306238

Chance of precipitation in April

Any precipitationSnow

Rūdehen gets around 53 mm of rain and snow over 9.9 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 33% and peaks near 34% on the wettest days, and about 3 days bring snow.

0%10%20%30%40%151015202530
Rain chance (%)Snow chance (%)
13118
23117
33116
43116
53215
63214
73314
83314
93313
103413
113412
123412
133411
143411
153410
163410
17349
18339
19338
20338
21337
22337
23336
24326
25326
26325
27325
28325
29325
30325

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April 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%151015202530
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

Wind in April

Winds average 5 km/h in April.

Across April, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 18 min at the start of April to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over April. Sunrise moves from 5:57 AM to 5:18 AM, and sunset from 6:17 PM to 6:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:576:17
212.45:556:18
312.45:546:19
412.55:526:20
512.55:516:21
612.55:506:21
712.65:486:22
812.65:476:23
912.65:456:24
1012.75:446:25
1112.75:426:26
1212.85:416:26
1312.85:406:27
1412.85:386:28
1512.95:376:29
1612.95:356:30
1712.95:346:31
1813.05:336:31
1913.05:316:32
2013.05:306:33
2113.15:296:34
2213.15:286:35
2313.25:266:36
2413.25:256:36
2513.25:246:37
2613.35:236:38
2713.35:216:39
2813.35:206:40
2913.45:196:41
3013.45:186:42

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.36 kWh/m².

For context, solar energy here swings from a low near 2.96 kWh/m² to a high of 7.23 kWh/m² in June across the year — April's 6.36 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.2Intense
56.2Intense
66.2Intense
76.2Intense
86.2Intense
96.2Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.4Intense
166.4Intense
176.4Intense
186.4Intense
196.4Intense
206.5Intense
216.5Intense
226.5Intense
236.5Intense
246.5Intense
256.5Intense
266.5Intense
276.5Intense
286.5Intense
296.6Intense
306.6Intense
Planning a trip in April

Is April a good time to visit Rūdehen?

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

2.6
Sightseeing
7th-best month of the year
0.0
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in Rūdehen.

What to pack for Rūdehen in April

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

In April, Rūdehen sees daytime highs around 11°C and nights near 4°C. Pack a warm layer and sun protection. Worth having: rain gear. About 10 days see rain.

a warm layersun protectionrain gear

UV index in Rūdehen in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Rūdehen peaks around July 18 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 18UV 11Jan 10UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar5High
Apr8Very high
May10Very high
Jun10Very high
Jul11Extreme
Aug10Extreme
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Rūdehen in April

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Rūdehen is worst in January — around 151 µg/m³ PM2.5 (very unhealthy), about 3.1× the cleanest month (July, 49 µg/m³).

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

0306090120150180JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyJan 12150 µg/m³Jul 1850 µg/m³
PM2.5 (µg/m³)Level
Jan151Very unhealthy
Feb139Unhealthy
Mar113Unhealthy
Apr101Unhealthy
May85Unhealthy
Jun63Unhealthy
Jul49Poor
Aug58Unhealthy
Sep77Unhealthy
Oct101Unhealthy
Nov122Unhealthy
Dec148Unhealthy
Location & terrain

Where is Rūdehen?

Rūdehen sits at 35.7°N, 51.9°E, 1,796 m above sea level, in Iran. The nearest listed city is Būmahen, 3.0 km away.

Topography around Rūdehen

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

Within 3 km, the terrain around Rūdehen has significant variations in elevation — a maximum elevation change of 511 m around an average of 1,845 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,393 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,408 m.

The land around Rūdehen is covered by grassland (40%), artificial surfaces (27%) and bare terrain (26%) within 3 km, grassland (69%) within 16 km, and grassland (44%) and bare terrain (31%) within 80 km.

3 km
511 m
16 km
2,393 m
80 km
5,408 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
April weather nearby: Būmahen 3.0 km · Pardīs 9.0 km · Damāvand 15 km · Lavāsān 26 km · Qīāmdasht 33 km · Mojtame‘-e Maskūnī-ye Nāmjū 33 km · Pākdasht 35 km · Ferūnābād 35 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 Rūdehen (35.7334°, 51.9059°, elevation 1,796 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).