Diadi weather in April

In April, Diadi sees average daytime highs of 29°C and overnight lows near 21°C, with 139 mm of rain across 14.3 wet days and about 12.4 hours of daylight. It is the 6th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 28°C in the first days to 29°C by the end. The sky is clear or mostly clear about 34% of the time in April, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of April to 12 h 36 min by month's end. Set against the rest of the year, April is Diadi's 1st-clearest and 5th-windiest month. For the whole year in context, see Diadi's year-round climate.

Daytime high
29°
6th warmest
Overnight low
21°
6th coldest
Rainfall
139 mm
14.3 wet days
Daylight
12 h 24 min
5:43 AM – 6:06 PM
Cloud cover
53%
1st clearest
Wind
5 km/h
5th windiest
Solar energy
5.81 kWh/m²
Travel score
5.2
out of 10

Diadi is municipality of the Philippines in the province of Nueva Vizcaya.

Density
86/km²
people per km²
Founded
1967

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 28°C in the first days to 29°C by the end.

A typical April day in Diadi reaches about 29°C in the afternoon and slips back to 21°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 31°C. Set against its neighbours, April runs about 2°C warmer than March and about 2°C cooler than May.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12820
22820
32820
42820
52820
62820
72820
82820
92820
102820
112820
122920
132921
142921
152921
162921
172921
182921
192921
202921
212921
222921
232921
242921
252921
262921
272921
283021
293021
303021

How April really feels in Diadi

Once humidity and wind are folded in, April averages 5 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
5
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Diadi weather by month

How April compares with the rest of the year at a glance. April is the 6th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 18°20921.211.15.1
Feb25° / 18°17618.211.45.2
Mar27° / 19°15415.811.95.8
Apr29° / 21°13914.312.45.2
May30° / 21°36219.312.83.8
Jun31° / 22°26519.6133.4
Jul30° / 22°39924.412.93.2
Aug30° / 22°48926.412.63.0
Sep29° / 22°45525.412.13.3
Oct28° / 21°27020.711.64.5
Nov26° / 20°19316.811.25.4
Dec25° / 19°25820.7115.1

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in April, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 22% of April, with mostly cloudy or overcast conditions the remaining 43%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15446
25644
35743
45842
55842
65941
75941
85941
95941
105842
115842
125842
135842
145842
155842
165842
175842
185842
195842
205743
215644
225644
235644
245644
255644
265644
275545
285446
295347
305248

Chance of precipitation in April

Any precipitation

Diadi gets around 139 mm of rain over 14.3 wet days in April, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 48% and peaks near 50% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
148
248
348
448
548
648
748
849
949
1050
1150
1250
1350
1450
1550
1649
1749
1848
1948
2048
2147
2247
2347
2446
2546
2646
2746
2845
2945
3046

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the oppressive band about 52% of days. Sticky, muggy-or-worse air turns up on roughly 95% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1195733
2185635
3185536
4175537
5075439
6075241
7065242
8065044
9054846
10054748
11044649
12044551
13044452
14034354
15034255
16034156
17034057
18033958
19033958
20033859
21033859
22033859
23033760
24033760
25033760
26033661
27033661
28033562
29033562
30033463

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 5 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
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 06 min at the start of April to 12 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over April. Sunrise moves from 5:55 AM to 5:34 AM, and sunset from 6:03 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:556:03
212.25:546:04
312.25:536:04
412.25:536:04
512.25:526:04
612.25:516:04
712.25:506:04
812.35:496:05
912.35:496:05
1012.35:486:05
1112.35:476:05
1212.35:466:05
1312.35:466:06
1412.35:456:06
1512.45:446:06
1612.45:436:06
1712.45:436:06
1812.45:426:06
1912.45:416:07
2012.45:416:07
2112.55:406:07
2212.55:396:07
2312.55:396:08
2412.55:386:08
2512.55:376:08
2612.55:376:08
2712.55:366:09
2812.65:366:09
2912.65:356:09
3012.65:346:09

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.81 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.89 kWh/m² to a high of 5.81 kWh/m² in April across the year — April's 5.81 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.5Bright
35.5Bright
45.5Bright
55.6Bright
65.6Bright
75.6Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
Planning a trip in April

Is April a good time to visit Diadi?

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

5.2
Sightseeing
3rd-best month of the year
6.3
Beach & pool
1st-best month of the year

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

What to pack for Diadi in April

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

In April, Diadi sees daytime highs around 29°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 14 days see rain.

light clothesrain gearsun protection

UV index in Diadi in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Diadi peaks around August 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 8 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highAug 17UV 14Dec 13UV 8
UV index (midday)Level
Jan10Very high
Feb12Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun13Extreme
Jul13Extreme
Aug14Extreme
Sep13Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Diadi 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 Diadi is worst in April — around 17 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1616 µg/m³Dec 1611 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb12Good
Mar15Moderate
Apr17Moderate
May14Moderate
Jun13Moderate
Jul13Moderate
Aug15Moderate
Sep14Moderate
Oct13Moderate
Nov12Good
Dec11Good
Location & terrain

Where is Diadi?

Diadi sits at 16.7°N, 121.4°E, 276 m above sea level, in Philippines. The nearest listed city is Ramon, 20 km away.

Topography around Diadi

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

Within 3 km, the terrain around Diadi has significant variations in elevation — a maximum elevation change of 268 m around an average of 276 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 829 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,878 m.

The land around Diadi is covered by trees (62%) and cropland (24%) within 3 km, trees (47%) and grassland (31%) within 16 km, and trees (71%) within 80 km.

3 km
268 m
16 km
829 m
80 km
2,878 m
treesgrasslandcroplandwater
April weather nearby: Ramon 20 km · Santiago 21 km · Lagawe 27 km · Solano 30 km · San Mateo 30 km · Baggabag B 30 km · Bayombong 35 km · Alicia 37 km

Philippines travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / C
230 V · 60 Hz
Prices
≈ 33% of US
price level, 2025
GDP per capita
$4,171
2025
Happiness
6.2 / 10
World Happiness, 2025
Safe drinking water
48%
of population, 2024
Homicide rate
4.3
per 100k, 2023
Road deaths
12
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
High
EF EPI 569
Religion
Roman Catholic 79%other 8%Muslim 6%other Christian 4%

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 Diadi (16.7262°, 121.3589°, elevation 276 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).