Sīmīn Shahr weather in April

In April, Sīmīn Shahr sees average daytime highs of 21°C and overnight lows near 14°C, with 45 mm of rain across 7.2 wet days and about 12.9 hours of daylight. It is the 7th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 20°C in the first days to 23°C by the end. The sky is clear or mostly clear about 39% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of April to 13 h 30 min by month's end. Set against the rest of the year, April is Sīmīn Shahr's 11th-clearest and 4th-windiest month. For the whole year in context, see Sīmīn Shahr's year-round climate.

Daytime high
21°
7th warmest
Overnight low
14°
6th coldest
Rainfall
45 mm
7.2 wet days
Daylight
12 h 54 min
5:25 AM – 6:22 PM
Cloud cover
53%
11th clearest
Wind
8 km/h
4th windiest
Solar energy
5.26 kWh/m²
Travel score
7.1
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 20°C in the first days to 23°C by the end.

A typical April day in Sīmīn Shahr reaches about 21°C in the afternoon and slips back to 14°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 28°C. Set against its neighbours, April runs about 5°C warmer than March and about 5°C cooler than May.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
11911
21911
32012
42012
52012
62012
72012
82012
92113
102113
112113
122113
132113
142113
152214
162214
172214
182214
192214
202214
212214
222214
232215
242315
252315
262315
272315
282315
292316
302316

How April really feels in Sīmīn Shahr

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.

Sīmīn Shahr weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan13° / 618.70.29.73.7
Feb13° / 658.90.810.64.0
Mar17° / 669.6011.75.5
Apr21° / 14°457.2012.97.1
May26° / 18°284.70147.5
Jun30° / 23°163.2014.56.0
Jul32° / 25°184.5014.34.7
Aug33° / 26°153.4013.44.4
Sep30° / 22°345.2012.35.9
Oct25° / 17°545.50117.9
Nov19° / 11°748.40.2106.4
Dec14° / 547.90.29.54.5

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 14% of April, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15446
25446
35446
45446
55446
65446
75446
85446
95446
105446
115446
125446
135545
145545
155545
165545
175545
185545
195446
205446
215347
225347
235347
245248
255248
265248
275248
285248
295347
305347

Chance of precipitation in April

Any precipitation

Sīmīn Shahr gets around 45 mm of rain over 7.2 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 23% and peaks near 26% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
125
224
324
423
523
623
723
822
922
1022
1121
1221
1321
1421
1522
1622
1723
1823
1924
2024
2125
2225
2325
2425
2526
2626
2725
2825
2925
3024

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 59% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1881200
2851410
3841510
4821710
5811810
6782020
7762220
8742420
9722530
10702730
11672940
12653050
13633250
14613360
15593470
16583570
17563680
18543790
195238100
205138110
214939120
224839130
234640140
244440160
254241171
263941191
273741211
283541222
293341242
303141263

Wind in April

Winds average 8 km/h in April.

Across April, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 30 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 5:47 AM to 5:06 AM, and sunset from 6:08 PM to 6:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:476:08
212.45:466:09
312.45:446:10
412.55:436:11
512.55:416:12
612.65:406:13
712.65:386:14
812.65:376:15
912.75:356:15
1012.75:346:16
1112.85:326:17
1212.85:316:18
1312.85:296:19
1412.95:286:20
1512.95:266:21
1612.95:256:22
1713.05:236:23
1813.05:226:24
1913.15:216:24
2013.15:196:25
2113.15:186:26
2213.25:176:27
2313.25:156:28
2413.25:146:29
2513.35:136:30
2613.35:116:31
2713.45:106:32
2813.45:096:33
2913.45:086:33
3013.55:066:34

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.26 kWh/m².

For context, solar energy here swings from a low near 2.25 kWh/m² to a high of 6.51 kWh/m² in June across the year — April's 5.26 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
35.0Bright
45.0Bright
55.0Bright
65.1Bright
75.1Bright
85.1Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
Planning a trip in April

Is April a good time to visit Sīmīn Shahr?

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

7.1
Sightseeing
3rd-best month of the year
4.6
Beach & pool
7th-best month of the year

April is one of the better times to visit Sīmīn Shahr for general sightseeing.

What to pack for Sīmīn Shahr in April

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

In April, Sīmīn Shahr sees daytime highs around 21°C and nights near 14°C. Worth packing: sun protection. About 7 days see rain.

sun protection

Sea temperature near Sīmīn Shahr in April

The nearest coast averages about 16°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 34 km away) is warmest in August at about 29°C and coldest in February near 11°C.

It's comfortable for a long swim from May 13 to Nov 6 — about 5.9 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan12Bracing
Feb11Bracing
Mar12Bracing
Apr16Cool
May21Refreshing
Jun25Warm
Jul28Warm
Aug29Tropical
Sep27Warm
Oct23Refreshing
Nov19Cool
Dec15Bracing

UV index in Sīmīn Shahr in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sīmīn Shahr peaks around July 18 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 18UV 10Dec 22UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr6High
May7Very high
Jun8Very high
Jul10Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov3Moderate
Dec2Moderate

Air quality in Sīmīn Shahr 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 Sīmīn Shahr is worst in September — around 29 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 2029 µg/m³Jul 1519 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb23Moderate
Mar25Moderate
Apr25Moderate
May22Moderate
Jun21Moderate
Jul19Moderate
Aug22Moderate
Sep29Moderate
Oct27Moderate
Nov25Moderate
Dec23Moderate
Location & terrain

Where is Sīmīn Shahr?

Sīmīn Shahr sits at 37.0°N, 54.2°E, -18 m above sea level, in Iran. The nearest listed city is Gomīshān, 15 km away.

Topography around Sīmīn Shahr

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

Within 3 km, the terrain around Sīmīn Shahr has only modest variations in elevation — a maximum elevation change of 6 m around an average of -21 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 21 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,905 m.

The land around Sīmīn Shahr is covered by cropland (76%) within 3 km, cropland (87%) within 16 km, and bare terrain (24%), cropland (22%) and water (21%) within 80 km.

3 km
6 m
16 km
21 m
80 km
3,905 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
April weather nearby: Gomīshān 15 km · Bandar-e Torkaman 19 km · Āq Qalā 20 km · Kord Kūy 27 km · Gorgān 27 km · Bandar-e Gaz 37 km · Fāẕelābād 48 km · Galūgāh 49 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 Sīmīn Shahr (37.0142°, 54.23°, elevation -18 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).