São Martinho do Bispo weather in March

In March, São Martinho do Bispo sees average daytime highs of 18°C and overnight lows near 8°C, with 85 mm of rain across 9.6 wet days and about 11.7 hours of daylight. It is the 8th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 16°C in the first days to 18°C by the end. The sky is clear or mostly clear about 35% of the time in March, and the air most often feels dry.

Daylight stretches from about 11 hours at the start of March to 12 h 24 min by month's end. Set against the rest of the year, March is São Martinho do Bispo's 8th-clearest and 1st-windiest month. For the whole year in context, see São Martinho do Bispo's year-round climate.

Daytime high
18°
8th warmest
Overnight low
4th coldest
Rainfall
85 mm
9.6 wet days
Daylight
11 h 42 min
6:53 AM – 6:34 PM
Cloud cover
55%
8th clearest
Wind
11 km/h
1st windiest
Solar energy
4.27 kWh/m²
Travel score
5.9
out of 10

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 16°C in the first days to 18°C by the end.

A typical March day in São Martinho do Bispo reaches about 18°C in the afternoon and slips back to 8°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 23°C. Set against its neighbours, March runs about 3°C warmer than February and about 1°C cooler than April.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1167
2167
3167
4167
5177
6178
7178
8178
9178
10178
11188
12188
13188
14188
15188
16188
17188
18188
19188
20188
21189
22189
23189
24189
25189
26189
27189
28189
29189
30189
31189

São Martinho do Bispo weather by month

How March compares with the rest of the year at a glance. March is the 8th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan14° / 10810.89.53.9
Feb15° / 808.610.44.7
Mar18° / 859.611.75.9
Apr19° / 10°9210.7136.1
May22° / 12°739.214.26.9
Jun25° / 14°235.114.87.9
Jul27° / 16°92.214.68.2
Aug28° / 16°143.113.67.8
Sep25° / 15°49612.37.7
Oct21° / 12°11711.210.96.4
Nov17° / 11711.99.85.1
Dec14° / 11110.99.24.1

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 16% of March, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24753
34753
44654
54654
64654
74753
84852
95050
105149
115248
125347
135347
145446
155446
165545
175644
185644
195545
205545
215545
225446
235347
245347
255149
265050
275050
284951
294951
304951
314951

Chance of precipitation in March

Any precipitation

São Martinho do Bispo gets around 85 mm of rain over 9.6 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 31% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
133
233
333
433
532
631
731
830
929
1028
1128
1227
1327
1426
1526
1626
1727
1827
1928
2029
2130
2231
2332
2433
2534
2635
2736
2837
2937
3037
3137

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the dry band about 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1991
2991
3982
4982
5982
6982
7982
8982
9982
10982
11982
12982
13982
14982
15982
16982
17982
18982
19982
20982
21982
22982
23982
24973
25973
26973
27973
28973
29964
30964
31964

Wind in March

Winds average 11 km/h in March, the windiest month of the year.

Across March, daily wind ranges from about 11 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
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 hours at the start of March to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 84 minutes over March. Sunrise moves from 7:17 AM to 6:28 AM, and sunset from 6:17 PM to 6:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.07:176:17
211.07:166:18
311.17:146:19
411.17:126:20
511.27:116:22
611.27:096:23
711.37:086:24
811.37:066:25
911.47:056:26
1011.47:036:27
1111.47:026:28
1211.57:006:29
1311.56:586:30
1411.66:576:31
1511.66:556:33
1611.76:536:34
1711.76:526:35
1811.86:506:36
1911.86:486:37
2011.96:476:38
2111.96:456:39
2211.96:436:40
2312.06:426:41
2412.06:406:42
2512.16:386:43
2612.16:376:44
2712.26:356:45
2812.26:336:46
2912.36:326:47
3012.36:306:48
3112.46:286:49

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.27 kWh/m².

For context, solar energy here swings from a low near 1.81 kWh/m² to a high of 7.28 kWh/m² in July across the year — March's 4.27 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
13.6Moderate
23.6Moderate
33.7Moderate
43.7Moderate
53.8Moderate
63.8Moderate
73.9Moderate
83.9Moderate
94.0Moderate
104.0Bright
114.1Bright
124.2Bright
134.2Bright
144.3Bright
154.3Bright
164.4Bright
174.4Bright
184.5Bright
194.5Bright
204.5Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in March

Hazard calendar for São Martinho do Bispo

In seasonPeak

In March, São Martinho do Bispo sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

São Martinho do Bispo's rainy season runs October–May, when most of the year's rain falls.

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

Is March a good time to visit São Martinho do Bispo?

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

5.9
Sightseeing
8th-best month of the year
1.7
Beach & pool
8th-best month of the year

March is a reasonable time to visit São Martinho do Bispo for sightseeing.

What to pack for São Martinho do Bispo in March

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

In March, São Martinho do Bispo sees daytime highs around 18°C and nights near 8°C. Worth packing: rain gear. About 10 days see rain.

rain gear

Sea temperature near São Martinho do Bispo in March

The nearest coast averages about 14°C in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 37 km away) is warmest in August at about 18°C and coldest in February near 14°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

12°14°16°18°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan14Bracing
Feb14Bracing
Mar14Bracing
Apr15Bracing
May16Cool
Jun18Cool
Jul18Cool
Aug18Cool
Sep18Cool
Oct17Cool
Nov16Cool
Dec15Bracing

UV index in São Martinho do Bispo in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in São Martinho do Bispo peaks around July 14 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJul 14UV 9Dec 21UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5High
Apr7High
May7High
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct5Moderate
Nov2Moderate
Dec2Low

Air quality in São Martinho do Bispo in March

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in São Martinho do Bispo is worst in October — around 29 µg/m³ PM2.5 (moderate), about 3.9× the cleanest month (November, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateModerateGoodOct 1228 µg/m³Nov 237 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar13Moderate
Apr11Good
May8Good
Jun21Moderate
Jul9Good
Aug24Moderate
Sep23Moderate
Oct29Moderate
Nov7Good
Dec7Good
Location & terrain

Where is São Martinho do Bispo?

São Martinho do Bispo sits at 40.2°N, 8.5°W, 62 m above sea level, in Portugal. The nearest listed city is Ribeira de Frades, 2.0 km away.

Topography around São Martinho do Bispo

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São Martinho do Bispo.

Within 3 km, the terrain around São Martinho do Bispo has only modest variations in elevation — a maximum elevation change of 192 m around an average of 51 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 534 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,993 m.

The land around São Martinho do Bispo is covered by trees (37%) and artificial surfaces (27%) within 3 km, trees (68%) within 16 km, and trees (55%) and grassland (20%) within 80 km.

3 km
192 m
16 km
534 m
80 km
1,993 m
treesshrubsgrasslandcroplandartificial surfaceswater
March weather nearby: Ribeira de Frades 2.0 km · Coimbra 3.0 km · Santo António dos Olivais 4.0 km · Eiras 6.0 km · São Paulo de Frades 7.0 km · Condeixa-a-Nova 11 km · Figueira da Foz 35 km · Pombal 36 km

Portugal travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / E / F
230 V · 50 Hz
Prices
≈ 60% of US
price level, 2025
GDP per capita
$32,082
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
95%
of population, 2024
Homicide rate
0.7
per 100k, 2022
Road deaths
8.2
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 612
Religion
Catholic 68%not applicable 13%no religion 12%no response 2%

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 São Martinho do Bispo (40.2102°, -8.4569°, elevation 62 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).