Santa Helena weather in July

In July, Santa Helena sees average daytime highs of 30°C and overnight lows near 23°C, with 81 mm of rain across 17.9 wet days and about 11.9 hours of daylight. It is the 9th-warmest and 7th-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 41% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of July to 11 h 54 min by month's end. Set against the rest of the year, July is Santa Helena's 4th-clearest and 7th-windiest month. For the whole year in context, see Santa Helena's year-round climate.

Daytime high
30°
9th warmest
Overnight low
23°
1st coldest
Rainfall
81 mm
17.9 wet days
Daylight
11 h 54 min
6:10 AM – 6:03 PM
Cloud cover
48%
4th clearest
Wind
8 km/h
7th windiest
Solar energy
4.91 kWh/m²
Travel score
4.3
out of 10

Santa Helena is settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

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 Santa Helena reaches about 30°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 31°C. Set against its neighbours, July runs on par with June and about 1°C cooler than August.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103023
113023
123023
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023
313023

How July really feels in Santa Helena

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.

Santa Helena weather by month

How July compares with the rest of the year at a glance. July is the 9th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 24°18423.412.12.9
Feb30° / 24°25325.512.12.8
Mar30° / 24°35429.8122.7
Apr30° / 24°33528.7122.7
May30° / 24°23826.411.93.0
Jun30° / 23°11921.311.93.7
Jul30° / 23°8117.911.94.3
Aug31° / 23°3210.511.94.7
Sep32° / 24°175124.7
Oct33° / 24°154124.3
Nov33° / 24°255.312.14.0
Dec33° / 24°6512.512.13.4

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 36% of July, with mostly cloudy or overcast conditions the remaining 23%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16832
26931
37030
47030
57030
67030
77129
87129
97228
107228
117228
127426
137426
147525
157624
167723
177723
187921
197921
208020
218020
228218
238218
248218
258317
268416
278515
288515
298515
308713
318713

Chance of precipitation in July

Any precipitation

Santa Helena gets around 81 mm of rain over 17.9 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 57% and peaks near 68% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
168
268
368
468
568
667
766
866
965
1064
1163
1262
1361
1460
1559
1658
1757
1856
1955
2054
2153
2252
2351
2450
2548
2647
2746
2845
2943
3042
3141

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the oppressive band about 89% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
18119
28218
38317
48416
58416
68515
78614
88713
98713
108812
118812
128911
138911
149010
159010
16919
17919
18919
19928
20928
21928
22928
23919
24919
25919
26919
27919
28919
29919
30919
31919

Wind in July

Winds average 8 km/h in July.

Across July, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
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
309calm
319calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 11 h 54 min at the start of July to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over July. Sunrise moves from 6:08 AM to 6:10 AM, and sunset from 6:01 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:086:01
211.96:096:01
311.96:096:01
411.96:096:01
511.96:096:01
611.96:096:02
711.96:096:02
811.96:096:02
911.96:106:02
1011.96:106:02
1111.96:106:03
1211.96:106:03
1311.96:106:03
1411.96:106:03
1511.96:106:03
1611.96:106:03
1711.96:106:03
1811.96:106:04
1911.96:116:04
2011.96:116:04
2111.96:116:04
2211.96:116:04
2311.96:116:04
2411.96:116:04
2511.96:116:04
2611.96:116:04
2711.96:116:04
2811.96:106:04
2911.96:106:04
3011.96:106:04
3111.96:106:04

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.91 kWh/m².

For context, solar energy here swings from a low near 3.94 kWh/m² to a high of 5.99 kWh/m² in October across the year — July's 4.91 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.2Bright
315.2Bright
Planning a trip in July

Hazard calendar for Santa Helena

In seasonPeak

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

Santa Helena's monsoon runs January–May, when most of the year's rain falls.

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

Is July a good time to visit Santa Helena?

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

4.3
Sightseeing
3rd-best month of the year
5.9
Beach & pool
5th-best month of the year

July is a reasonable time to visit Santa Helena for sightseeing.

What to pack for Santa Helena in July

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

In July, Santa Helena sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

UV index in Santa Helena in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Santa Helena peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 15 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 17UV 15Jul 15UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Santa Helena 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 Santa Helena is worst in February — around 18 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (July, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateFeb 2018 µg/m³Jul 137 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb18Moderate
Mar17Moderate
Apr13Moderate
May9Good
Jun8Good
Jul7Good
Aug8Good
Sep9Good
Oct10Good
Nov11Good
Dec13Moderate
Location & terrain

Where is Santa Helena?

Santa Helena sits at 2.2°S, 45.3°W, 12 m above sea level, in Brazil. The nearest listed city is Turilândia, 1.0 km away.

Topography around Santa Helena

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

Within 3 km, the terrain around Santa Helena has only modest variations in elevation — a maximum elevation change of 27 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 72 m; within 80 km, only modest variations in elevation — a maximum elevation change of 170 m.

The land around Santa Helena is covered by grassland (56%) within 3 km, grassland (46%) and trees (42%) within 16 km, and trees (57%) and grassland (32%) within 80 km.

3 km
27 m
16 km
72 m
80 km
170 m
treesgrasslandartificial surfaceswaterwetlandmangroves
July weather nearby: Turilândia 1.0 km · Pinheiro 40 km · Presidente Sarney 41 km · Bacuri 59 km · Bequimão 62 km · Santa Luzia do Paruá 63 km · Turiaçu 64 km · Palmeirândia 64 km

Brazil travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / N
127 / 220 V · 60 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$10,713
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
19.3
per 100k, 2023
Road deaths
16
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 482
Religion
Roman Catholic 57%Evangelical 27%none 9%other 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 Santa Helena (-2.2311°, -45.3°, elevation 12 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).