Blaj weather in April

In April, Blaj sees average daytime highs of 17°C and overnight lows near 6°C, with 51 mm of precipitation across 9.8 wet days and about 13.3 hours of daylight. It is the 6th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 15°C in the first days to 20°C by the end. The sky is clear or mostly clear about 28% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 30 min at the start of April to 14 hours by month's end. Set against the rest of the year, April is Blaj's 6th-clearest and 2nd-windiest month. For the whole year in context, see Blaj's year-round climate.

Daytime high
17°
6th warmest
Overnight low
6th coldest
Precipitation
51 mm
9.8 wet days
Daylight
13 h 18 min
5:45 AM – 7:04 PM
Cloud cover
59%
6th clearest
Wind
8 km/h
2nd windiest
Solar energy
4.9 kWh/m²
Travel score
5.4
out of 10

Blaj is locality in Alba County, Romania.

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 15°C in the first days to 20°C by the end.

A typical April day in Blaj reaches about 17°C in the afternoon and slips back to 6°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 23°C. Set against its neighbours, April runs about 6°C warmer than March and about 5°C cooler than May.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
1143
2153
3154
4154
5154
6154
7164
8165
9165
10165
11165
12165
13165
14175
15176
16176
17176
18176
19186
20186
21187
22187
23197
24197
25197
26208
27208
28208
29208
30208

How April really feels in Blaj

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.

Blaj weather by month

How April compares with the rest of the year at a glance. April is the 6th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -5°246.74.18.80.0
Feb / -3°236.23.7100.3
Mar11° / 3481.811.62.8
Apr17° / 519.80.513.35.4
May22° / 10°7112.6014.76.3
Jun26° / 14°8412.1015.56.4
Jul28° / 16°7111.7015.26.2
Aug28° / 15°538.30146.5
Sep23° / 11°528012.37.2
Oct17° / 427010.75.7
Nov / 306.31.39.22.2
Dec / -3°306.93.18.50.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 18% of April, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14555
24555
34456
44456
54456
64456
74357
84258
94258
104357
114258
124159
134159
144258
154357
164357
174555
184654
194753
204753
214951
224951
235149
245149
255248
265248
275347
285347
295347
305347

Chance of precipitation in April

Any precipitationSnow

Blaj gets around 51 mm of rain and snow over 9.8 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 35% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1293
2302
3302
4312
5312
6312
7322
8322
9332
10332
11342
12342
13342
14342
15342
16352
17352
18342
19342
20342
21342
22342
23331
24331
25331
26321
27321
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 (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
25991
26991
27991
28991
29991
30982

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 30 min at the start of April to 14 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 90 minutes over April. Sunrise moves from 6:14 AM to 5:21 AM, and sunset from 6:44 PM to 7:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:146:44
212.56:126:45
312.66:106:46
412.76:086:48
512.76:066:49
612.86:046:50
712.86:026:52
812.96:006:53
912.95:596:54
1013.05:576:56
1113.05:556:57
1213.15:536:59
1313.25:517:00
1413.25:497:01
1513.35:477:03
1613.35:457:04
1713.45:437:05
1813.45:417:07
1913.55:407:08
2013.55:387:09
2113.65:367:11
2213.65:347:12
2313.75:327:13
2413.75:317:15
2513.85:297:16
2613.85:277:17
2713.95:267:19
2813.95:247:20
2914.05:227:21
3014.05:217:23

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.9 kWh/m².

For context, solar energy here swings from a low near 1.14 kWh/m² to a high of 5.98 kWh/m² in June across the year — April's 4.9 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.4Bright
44.4Bright
54.4Bright
64.5Bright
74.5Bright
84.5Bright
94.5Bright
104.6Bright
114.6Bright
124.7Bright
134.7Bright
144.7Bright
154.8Bright
164.8Bright
174.9Bright
184.9Bright
195.0Bright
205.0Bright
215.1Bright
225.2Bright
235.2Bright
245.3Bright
255.3Bright
265.3Bright
275.4Bright
285.4Bright
295.5Bright
305.5Bright
Planning a trip in April

Is April a good time to visit Blaj?

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

5.4
Sightseeing
7th-best month of the year
1.5
Beach & pool
6th-best month of the year

April is a reasonable time to visit Blaj for sightseeing.

What to pack for Blaj in April

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

In April, Blaj sees daytime highs around 17°C and nights near 6°C. Worth packing: a warm layer, rain gear and sun protection. About 10 days see rain.

a warm layerrain gearsun protection

UV index in Blaj 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 Blaj peaks around July 16 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighVery highModerateLowJul 16UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr7Very high
May6High
Jun8Very high
Jul8Very high
Aug8Very high
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Blaj?

Blaj sits at 46.2°N, 23.9°E, 246 m above sea level, in Romania. The nearest listed city is Aiud, 21 km away.

Câmpia Turzii

Topography around Blaj

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

Within 3 km, the terrain around Blaj has only modest variations in elevation — a maximum elevation change of 242 m around an average of 296 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 324 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,196 m.

The land around Blaj is covered by cropland (37%), grassland (29%) and trees (21%) within 3 km, cropland (42%) and grassland (39%) within 16 km, and trees (45%), grassland (31%) and cropland (22%) within 80 km.

3 km
242 m
16 km
324 m
80 km
2,196 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Aiud 21 km · Ocna Mureş 24 km · Alba Iulia 28 km · Mediaş 33 km · Târnăveni 34 km · Sebeş 36 km · Luduş 37 km · Câmpia Turzii 42 km

Romania travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 44% of US
price level, 2025
GDP per capita
$22,538
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
82%
of population, 2024
Homicide rate
1.1
per 100k, 2023
Road deaths
10.3
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 605
Religion
Romanian Orthodox 85%other 5%Roman Catholic 5%Reformed 3%

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 Blaj (46.1751°, 23.9158°, elevation 246 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).