Delījān weather in April

In April, Delījān sees average daytime highs of 18°C and overnight lows near 8°C, with 43 mm of precipitation across 9.9 wet days and about 12.8 hours of daylight. It is the 7th-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 16°C in the first days to 20°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 18 min by month's end. Set against the rest of the year, April is Delījān's 12th-clearest and 2nd-windiest month. For the whole year in context, see Delījān's year-round climate.

Daytime high
18°
7th warmest
Overnight low
6th coldest
Precipitation
43 mm
9.9 wet days
Daylight
12 h 48 min
5:42 AM – 6:33 PM
Cloud cover
50%
12th clearest
Wind
9 km/h
2nd windiest
Solar energy
6.44 kWh/m²
Travel score
6.0
out of 10

Delījān is city in Markazi 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 16°C in the first days to 20°C by the end.

A typical April day in Delījān reaches about 18°C in the afternoon and slips back to 8°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 23°C. Set against its neighbours, April runs about 5°C warmer than March and about 6°C cooler than May.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
1156
2166
3166
4166
5166
6167
7177
8177
9177
10177
11178
12188
13188
14188
15188
16188
17199
18199
19199
20199
21199
221910
232010
242010
252010
262010
272010
282010
292111
302111

How April really feels in Delījān

Once humidity and wind are folded in, April 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

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

Delījān 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 / -4°327.35.4100.2
Feb / -2°327.64.310.71.4
Mar13° / 459.22.611.73.8
Apr18° / 439.90.512.86.0
May24° / 14°277.20.113.77.5
Jun31° / 18°41.5014.26.1
Jul33° / 21°20.50144.4
Aug32° / 19°10.3013.35.2
Sep28° / 15°20.5012.27.9
Oct21° / 10°154.3011.18.0
Nov13° / 296.31.510.24.0
Dec / -1°316.94.29.81.5

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 39%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16139
26139
36040
46139
56139
66040
76040
86040
96040
106040
116040
126040
136139
146139
156238
166238
176238
186238
196238
206337
216337
226337
236337
246337
256238
266238
276238
286238
296238
306238

Chance of precipitation in April

Any precipitationSnow

Delījān gets around 43 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 1 day brings snow.

0%10%20%30%40%151015202530
Rain chance (%)Snow chance (%)
1325
2334
3334
4334
5334
6344
7343
8343
9343
10342
11342
12332
13332
14331
15321
16321
17321
18321
19321
20321
21311
22311
23311
24320
25320
26320
27320
28320
29320
30320

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 9 km/h in April.

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

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

Sunrise & sunset in April

DaylightNight

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

Days grow by about 60 minutes over April. Sunrise moves from 6:02 AM to 5:25 AM, and sunset from 6:21 PM to 6:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:026:21
212.46:016:22
312.46:006:23
412.45:586:24
512.55:576:24
612.55:556:25
712.55:546:26
812.65:536:27
912.65:516:28
1012.65:506:28
1112.75:496:29
1212.75:476:30
1312.75:466:31
1412.85:456:31
1512.85:436:32
1612.85:426:33
1712.95:416:34
1812.95:406:34
1912.95:386:35
2013.05:376:36
2113.05:366:37
2213.15:356:38
2313.15:336:38
2413.15:326:39
2513.15:316:40
2613.25:306:41
2713.25:296:41
2813.25:286:42
2913.35:266:43
3013.35:256:44

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.44 kWh/m².

For context, solar energy here swings from a low near 3.02 kWh/m² to a high of 7.86 kWh/m² in June across the year — April's 6.44 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.1Intense
46.1Intense
56.1Intense
66.2Intense
76.2Intense
86.2Intense
96.2Intense
106.3Intense
116.3Intense
126.3Intense
136.4Intense
146.4Intense
156.4Intense
166.5Intense
176.5Intense
186.5Intense
196.5Intense
206.6Intense
216.6Intense
226.6Intense
236.7Intense
246.7Intense
256.7Intense
266.7Intense
276.7Intense
286.8Intense
296.8Intense
306.8Intense
Planning a trip in April

Hazard calendar for Delījān

In seasonPeak

None of Delījān's seasonal hazards are active in April. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Delījān sees seasonal dust haze (July), heaviest in July.

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

Is April a good time to visit Delījān?

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

6.0
Sightseeing
5th-best month of the year
2.1
Beach & pool
7th-best month of the year

April is a reasonable time to visit Delījān for sightseeing.

What to pack for Delījān in April

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

In April, Delījān sees daytime highs around 18°C and nights near 8°C. Pack sun protection. Worth having: rain gear. About 10 days see rain.

sun protectionrain gear

UV index in Delījān in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Delījān peaks around July 19 at about 12 (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 — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJul 19UV 12Jan 10UV 3
UV index (midday)Level
Jan3Moderate
Feb5High
Mar6High
Apr7Very high
May10Extreme
Jun10Extreme
Jul12Extreme
Aug11Extreme
Sep8Very high
Oct7High
Nov4Moderate
Dec3Moderate

Air quality in Delījān 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 Delījān is worst in April — around 42 µg/m³ PM2.5 (poor), about 1.6× the cleanest month (August, 26 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateApr 1942 µg/m³Aug 1927 µg/m³
PM2.5 (µg/m³)Level
Jan31Moderate
Feb34Moderate
Mar38Poor
Apr42Poor
May40Poor
Jun31Moderate
Jul34Moderate
Aug26Moderate
Sep31Moderate
Oct31Moderate
Nov30Moderate
Dec29Moderate
Location & terrain

Where is Delījān?

Delījān sits at 34.0°N, 50.7°E, 1,522 m above sea level, in Iran. The nearest listed city is Maḩallāt, 23 km away.

Topography around Delījān

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

Within 3 km, the terrain around Delījān has only modest variations in elevation — a maximum elevation change of 109 m around an average of 1,522 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,408 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,795 m.

The land around Delījān is covered by bare terrain (53%) and cropland (29%) within 3 km, bare terrain (84%) within 16 km, and bare terrain (79%) within 80 km.

3 km
109 m
16 km
1,408 m
80 km
2,795 m
shrubsgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Maḩallāt 23 km · Shahrak-e Pardīsān 64 km · Khomeyn 68 km · Kashan 69 km · Golpāyegān 70 km · Ārān Bīdgol 74 km · Qom 74 km · Arāk 92 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 Delījān (33.9905°, 50.6838°, elevation 1,522 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).