Sintra-Nema weather in July

In July, Sintra-Nema sees average daytime highs of 30°C and overnight lows near 25°C, with 352 mm of rain across 27.8 wet days and about 12.6 hours of daylight. It is the 11th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 2% of the time in July, and the air most often feels miserable.

Daylight stretches from about 12 h 42 min at the start of July to 12 h 30 min by month's end. Set against the rest of the year, July is Sintra-Nema's 11th-clearest and 8th-windiest month. For the whole year in context, see Sintra-Nema's year-round climate.

Daytime high
30°
11th warmest
Overnight low
25°
10th coldest
Rainfall
352 mm
27.8 wet days
Daylight
12 h 36 min
6:49 AM – 7:27 PM
Cloud cover
82%
11th clearest
Wind
10 km/h
8th windiest
Solar energy
4.3 kWh/m²
Travel score
3.0
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical July day in Sintra-Nema reaches about 30°C in the afternoon and slips back to 25°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, July runs about 2°C cooler than June and on par with August.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13025
23025
33025
43025
53025
63025
73025
83025
93025
103025
113025
123025
133025
143025
153025
163025
172925
182925
192925
202925
212925
222925
232925
242925
252925
262925
272925
282925
292925
302925
312925

How July really feels in Sintra-Nema

Once humidity and wind are folded in, July averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Sintra-Nema weather by month

How July compares with the rest of the year at a glance. July is the 11th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 21°00.111.44.4
Feb34° / 22°10.111.63.6
Mar35° / 23°0011.93.3
Apr35° / 24°0012.33.6
May33° / 25°61.312.54.1
Jun32° / 26°871212.73.8
Jul30° / 25°35227.812.63.0
Aug29° / 25°45229.312.42.9
Sep30° / 25°30727.712.12.8
Oct31° / 25°1422211.73.2
Nov33° / 24°234.611.54.2
Dec33° / 22°20.311.34.4

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 10% of July, with mostly cloudy or overcast conditions the remaining 88%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11783
21684
31684
41684
51684
61684
71486
81486
91486
101486
111486
121486
131387
141387
151288
161288
171288
181189
191189
201189
211090
221090
231090
24991
25991
26991
27892
28892
29892
30892
31991

Chance of precipitation in July

Any precipitation

Sintra-Nema gets around 352 mm of rain over 27.8 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 89% and peaks near 94% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
177
279
380
482
583
684
785
885
986
1087
1187
1288
1388
1489
1589
1690
1790
1890
1991
2091
2192
2292
2392
2493
2593
2693
2794
2894
2994
3094
3194

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the miserable band about 66% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
13268
23268
33169
43169
53169
63169
73169
83169
93169
103169
113169
123169
133268
143268
153367
163367
173367
183466
193466
203565
213565
223664
233664
243763
253763
263862
273862
283862
293862
303862
313862

Wind in July

Winds average 10 km/h in July.

Across July, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2911calm
3011calm
3111calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 12 h 42 min at the start of July to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over July. Sunrise moves from 6:45 AM to 6:52 AM, and sunset from 7:26 PM to 7:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:457:26
212.76:457:27
312.76:467:27
412.76:467:27
512.76:467:27
612.76:467:27
712.76:477:27
812.76:477:27
912.76:477:27
1012.76:477:27
1112.76:487:27
1212.76:487:27
1312.66:487:27
1412.66:487:27
1512.66:497:27
1612.66:497:27
1712.66:497:27
1812.66:497:27
1912.66:507:27
2012.66:507:27
2112.66:507:27
2212.66:507:26
2312.66:517:26
2412.66:517:26
2512.66:517:26
2612.66:517:26
2712.66:527:26
2812.66:527:25
2912.66:527:25
3012.56:527:25
3112.56:527:25

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.3 kWh/m².

For context, solar energy here swings from a low near 4.14 kWh/m² to a high of 7.03 kWh/m² in April across the year — July's 4.3 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.2Bright
214.2Bright
224.2Bright
234.2Bright
244.1Bright
254.1Bright
264.1Bright
274.1Bright
284.1Bright
294.1Bright
304.1Bright
314.1Bright
Planning a trip in July

Hazard calendar for Sintra-Nema

In seasonPeak

In July, Sintra-Nema sits inside its atlantic hurricane and monsoon season. The full year is below, with each hazard's peak months called out.

Sintra-Nema sits in the Atlantic hurricane belt; the season peaks August–October.

Sintra-Nema's monsoon runs July–September, when most of the year's rain falls.

Sintra-Nema sees seasonal dust haze (February–June), heaviest in June.

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

Is July a good time to visit Sintra-Nema?

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

3.0
Sightseeing
10th-best month of the year
4.1
Beach & pool
10th-best month of the year

July is a weaker month for outdoor sightseeing in Sintra-Nema.

What to pack for Sintra-Nema in July

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

In July, Sintra-Nema sees daytime highs around 30°C and nights near 25°C. Pack light clothes and rain gear. About 28 days see rain.

light clothesrain gear

Sea temperature near Sintra-Nema in July

The nearest coast averages about 28°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 27 km away) is warmest in November at about 29°C and coldest in February near 25°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb25Warm
Mar26Warm
Apr27Warm
May28Warm
Jun28Tropical
Jul28Tropical
Aug28Warm
Sep28Tropical
Oct29Tropical
Nov29Tropical
Dec27Warm

UV index in Sintra-Nema in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sintra-Nema peaks around August 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 18UV 13Dec 20UV 7
UV index (midday)Level
Jan8Very high
Feb11Extreme
Mar13Extreme
Apr11Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec7Very high

Air quality in Sintra-Nema in July

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Sintra-Nema is worst in February — around 86 µg/m³ PM2.5 (unhealthy), about 5.5× the cleanest month (August, 16 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorFeb 1884 µg/m³Aug 2116 µg/m³
PM2.5 (µg/m³)Level
Jan63Unhealthy
Feb86Unhealthy
Mar76Unhealthy
Apr51Poor
May53Poor
Jun50Poor
Jul24Moderate
Aug16Moderate
Sep18Moderate
Oct35Moderate
Nov45Poor
Dec58Unhealthy
Location & terrain

Where is Sintra-Nema?

Sintra-Nema sits at 11.9°N, 15.6°W, 11 m above sea level, in Guinea-Bissau. The nearest listed city is Bissau, 0.0 km away.

Topography around Sintra-Nema

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

Within 3 km, the terrain around Sintra-Nema has only modest variations in elevation — a maximum elevation change of 43 m around an average of 14 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 48 m; within 80 km, only modest variations in elevation — a maximum elevation change of 61 m.

The land around Sintra-Nema is covered by artificial surfaces (62%) within 3 km, water (44%) within 16 km, and trees (41%) and water (32%) within 80 km.

3 km
43 m
16 km
48 m
80 km
61 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
July weather nearby: Bissau 0.0 km · Missira 1.0 km · Belem 1.0 km · Reino de Bandim 1.0 km · Luanda 2.0 km · Bairro Militar 2.0 km · Contumo 3.0 km · Santa-Luzia 3.0 km

Guinea-Bissau travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type C / E / F
220 V · 50 Hz
Prices
≈ 34% of US
price level, 2025
GDP per capita
$1,124
2025
Safe drinking water
24%
of population, 2024
Homicide rate
1.1
per 100k, 2017
Road deaths
32.2
per 100k/yr, 2019
Income group
Low
World Bank
Religion
Muslim 46%folk religions 31%Christian 19%other or unaffiliated 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 Sintra-Nema (11.8624°, -15.5974°, elevation 11 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).