AI-generatedPiedras Negras at a glance
- Best time
- Nov – Mar
- Warmest month
- Aug · 38°
- Sunshine a year
- 2,540 h
- Rain a year
- 539 mm
- Climate
- Subtropical
- Time zone
- UTC−6 / UTC−5
- Elevation
- 223 m
Climate in Piedras Negras
Piedras Negras has a subtropical climate with warm summers and mild winters. August is the warmest month with average highs of 38 °C, while January is the coolest at 20 °C. With around 2,540 hours of sunshine a year, Piedras Negras is sunny; July is the sunniest month with 9.3 hours a day.
Holiday weather through the year
Best time to visit Piedras Negras
The best time to visit Piedras Negras is from November to March. For sightseeing, day trips and hiking, conditions are most comfortable from November to March. From May to September it can get very hot, with highs of up to 38 °C. The wettest month is May with 73 mm of precipitation.
Piedras Negras through the seasons
How the weather changes over the seasons, with averages for each.
Piedras Negras in spring
Mar – May
Good
- 27–35 °C by day
- 6.6 h of sun a day
- 19 rainy days in all
Piedras Negras in summer
Jun – Aug
Fair
- 38 °C by day
- 9.1 h of sun a day
- 16 rainy days in all
Piedras Negras in autumn
Sep – Nov
Good
- 24–34 °C by day
- 6.3 h of sun a day
- 19 rainy days in all
Piedras Negras in winter
Dec – Feb
Excellent
- 20–23 °C by day
- 5.8 h of sun a day
- 12 rainy days in all
Which month for what?
Beach & swimming
No sea nearby
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Nov – Mar
15–28 °C and not too much rain
Peak heat
May – Sep
Highs of 33 °C or more
Find your perfect month
Tell us what you like and we rate every month in Piedras Negras for you.
Your best months: February, November – December
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Good
Best time to visit: November – March
A typical day in October
- Morning, 08:00: about 19°
- Midday, 13:00: about 29°
- Afternoon, 16:00: about 30°
- Evening, 20:00: about 25°
- Night, 23:00: about 22°
07:4219:13
Warm enough for a T-shirt in the evening.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 07:27–08:14 · evening 18:42–19:28
- Blue hour
- Morning 07:18–07:27 · evening 19:28–19:37
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
October in Piedras Negras compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 32° at the start of the month to 27° at the end. The days get 0.8 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 32° | 27° |
| Night-time low | 20° | 15° |
| Daylight | 11.9 h | 11.1 h |
What is the weather like in Piedras Negras in October?
In October, Piedras Negras is hot: daytime highs average 30 °C, and nights cool down to about 18 °C. Expect around 6.2 hours of sunshine a day. Rain falls on about 6 days, adding up to 60 mm. On about 17 days the thermometer climbs to 30 °C or more. All in all, October is a good month for a holiday in Piedras Negras.
More details for October
- Daylight
- 11 h 31 min07:42 – 19:13
- UV index
- 7 · highclear sky, noon (estimate)All months
- Muggy days
- 10 daysdew point 18 °C or moreAll months
- Wind
- 19 km/haverage daily peakAll months
- Cloud cover
- 37 %on averageAll months
- Hot days
- 17 days30 °C or moreAll months
- Time zone
- UTC−5offset from UTC
How the score comes together
- Temperatureweight 50 %63 %
- Sunshineweight 20 %53 %
- Few rainy daysweight 30 %84 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
Compare two months in Piedras Negras
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
February has the better holiday weather in Piedras Negras: score 90 against 67. In February, days are 7 °C cooler than in October. February has 2 fewer rainy days.
| Month | October | February |
|---|---|---|
| Holiday weather score | 67 | 90better |
| Daytime high | 30° | 23° |
| Night-time low | 18° | 10° |
| Sunshine | 6.2 h | 6.0 h |
| Rainy days | 6 | 4better |
| Rainfall | 60 mm | 24 mmbetter |
| Muggy days | 10 | 0better |
Based on the climate averages 1996–2025.
Piedras Negras month by month
The typical weather for every month at a glance.
89January20° · 5.8 h
In January, Piedras Negras is mild: daytime highs average 20 °C, and nights cool down to about 7 °C. Expect around 5.8 hours of sunshine a day. Rain is rare: about 4 days bring 21 mm in total. All in all, January is an excellent month for a holiday in Piedras Negras.
Piedras Negras in January90February23° · 6.0 h
In February, Piedras Negras is warm: daytime highs average 23 °C, and nights cool down to about 10 °C. Expect around 6.0 hours of sunshine a day. Rain is rare: about 4 days bring 24 mm in total. All in all, February is an excellent month for a holiday in Piedras Negras.
Piedras Negras in February87March27° · 6.2 h
In March, Piedras Negras is hot: daytime highs average 27 °C, and nights cool down to about 14 °C. Expect around 6.2 hours of sunshine a day. Rain falls on about 5 days, adding up to 41 mm. On about 10 days the thermometer climbs to 30 °C or more. All in all, March is an excellent month for a holiday in Piedras Negras.
Piedras Negras in March60April32° · 6.9 h
In April, Piedras Negras is hot: daytime highs average 32 °C, and nights cool down to about 18 °C. The sun shines for around 6.9 hours a day. Rain falls on about 6 days, adding up to 46 mm. On about 20 days the thermometer climbs to 30 °C or more. All in all, April is a good month for a holiday in Piedras Negras.
Piedras Negras in April35May35° · 6.8 h
In May, Piedras Negras is very hot: daytime highs average 35 °C, and even at night it stays warm at around 22 °C. The sun shines for around 6.8 hours a day. Rain falls on about 8 days, adding up to 73 mm. On about 27 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, May is not an ideal month for a holiday in Piedras Negras.
Piedras Negras in May47June38° · 8.8 h
In June, Piedras Negras is very hot: daytime highs average 38 °C, and even at night it stays warm at around 25 °C. The sun shines for around 8.8 hours a day. Rain falls on about 5 days, adding up to 42 mm. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, June is a so-so month for a holiday in Piedras Negras.
Piedras Negras in June45July38° · 9.3 h
In July, Piedras Negras is very hot: daytime highs average 38 °C, and even at night it stays warm at around 26 °C. With around 9.3 hours of sunshine a day, there is plenty of sun. Rain falls on about 6 days, adding up to 51 mm. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, July is a so-so month for a holiday in Piedras Negras.
Piedras Negras in July49August38° · 9.1 h
In August, Piedras Negras is very hot: daytime highs average 38 °C, and even at night it stays warm at around 26 °C. With around 9.1 hours of sunshine a day, there is plenty of sun. Rain is rare: about 5 days bring 55 mm in total. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, August is a so-so month for a holiday in Piedras Negras.
Piedras Negras in August40September34° · 7.2 h
In September, Piedras Negras is very hot: daytime highs average 34 °C, and even at night it stays warm at around 23 °C. The sun shines for around 7.2 hours a day. Rain falls on about 7 days, adding up to 73 mm. On about 27 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, September is a so-so month for a holiday in Piedras Negras.
Piedras Negras in September67October30° · 6.2 h
In October, Piedras Negras is hot: daytime highs average 30 °C, and nights cool down to about 18 °C. Expect around 6.2 hours of sunshine a day. Rain falls on about 6 days, adding up to 60 mm. On about 17 days the thermometer climbs to 30 °C or more. All in all, October is a good month for a holiday in Piedras Negras.
Piedras Negras in October86November24° · 5.5 h
In November, Piedras Negras is warm: daytime highs average 24 °C, and nights cool down to about 13 °C. Expect around 5.5 hours of sunshine a day. Rain is rare: about 5 days bring 35 mm in total. All in all, November is an excellent month for a holiday in Piedras Negras.
Piedras Negras in November88December20° · 5.5 h
In December, Piedras Negras is mild: daytime highs average 20 °C, and nights cool down to about 8 °C. Expect around 5.5 hours of sunshine a day. Rain is rare: about 4 days bring 20 mm in total. All in all, December is an excellent month for a holiday in Piedras Negras.
Piedras Negras in DecemberClimate in detail
Year & climate table
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Piedras Negras
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Cold 0–8°
- Cool 8–15°
- Pleasant 15–20°
- Warm 20–24°
- Hot 24° and more
- muggy month (15+ muggy days)
PleasantOctober: nights around 18°. Ideal for sleeping, often with the window open. Muggy on about 10 days (dew point 18 °C or more).
The coolest nights are in January (7°), the warmest in August (26°). Tropical nights of 20 °C and more are the rule from May to September; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) in April and in October. Nights fall below 8 °C on average in January, so the room should be heated. It is muggy (dew point 18 °C or more) on about 117 days a year, mostly from May to September.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|
| JanuaryJan | 89 | 20° | 7° | 5.8 h | 4 | 21 |
| FebruaryFeb | 90 | 23° | 10° | 6.0 h | 4 | 24 |
| MarchMar | 87 | 27° | 14° | 6.2 h | 5 | 41 |
| AprilApr | 60 | 32° | 18° | 6.9 h | 6 | 46 |
| MayMay | 35 | 35° | 22° | 6.8 h | 8 | 73 |
| JuneJun | 47 | 38° | 25° | 8.8 h | 5 | 42 |
| JulyJul | 45 | 38° | 26° | 9.3 h | 6 | 51 |
| AugustAug | 49 | 38° | 26° | 9.1 h | 5 | 55 |
| SeptemberSep | 40 | 34° | 23° | 7.2 h | 7 | 73 |
| OctoberOct | 67 | 30° | 18° | 6.2 h | 6 | 60 |
| NovemberNov | 86 | 24° | 13° | 5.5 h | 5 | 35 |
| DecemberDec | 88 | 20° | 8° | 5.5 h | 4 | 20 |
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
28.70° N, 100.52° W · 223 m · America/Matamoros
Sunshine
Sunshine hours in Piedras Negras
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 6.2 of 11.5 hours of daylight in Piedras Negras, 54 % of the daylight hours.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
Rain
Rain in Piedras Negras: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Piedras Negras has about 6 rainy days with 60 mm of rain in total.
UV index
UV index in Piedras Negras
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 7 · highSeek shade around midday; sunscreen SPF 30+, hat and sunglasses.
The sun is strongest in June (UV 12).
Minutes until sunburn in October
- Very fair skin
- about 20 min
- Fair skin
- about 25 min
- Light brown skin
- about 35 min
- Olive skin
- about 45 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Wind & clouds
Wind and clouds in Piedras Negras
How breezy and how cloudy Piedras Negras is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Piedras Negras typically peaks at 19 km/h during the day: Beaufort 3, gentle breeze.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 37 % of the sky over Piedras Negras: mostly sunny, with about 6.2 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat & humidity
Heat and humidity in Piedras Negras
How often the day gets hot in Piedras Negras (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Piedras Negras has about 17 hot days, with an average daytime high of 30 °C: often hot. Avoid the midday sun, look for shade and drink plenty.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Planning a trip to Piedras Negras
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Piedras Negras in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Piedras Negras has its best school-holiday weather during the Christmas holidays (score 89) and its weakest during May half-term (score 37).
- 68
Easter holidays
Mar – Apr
Good
- 30 °C by day
- 6.7 h of sun a day
- 6 rainy days a month
- 37
May half-term
May – Jun
Poor
- 35 °C by day
- 7.2 h of sun a day
- 8 rainy days a month
Keep in mind: Peak heat
- 48
Summer holidays
Jul – Aug
Fair
- 38 °C by day
- 9.2 h of sun a day
- 5 rainy days a month
Keep in mind: Peak heat
- 67
October half-term
Oct
Good
- 30 °C by day
- 6.2 h of sun a day
- 6 rainy days a month
- 89
Christmas holidays
Dec – Jan
ExcellentBest holidays
- 20 °C by day
- 5.7 h of sun a day
- 4 rainy days a month
Good for: Sightseeing & walks
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 10 h 25 min
- Distance
- 8,200 km
- Time zone
- UTC−5
- Jet lag
- About 4 days (6 h west)
Rule of thumb for flying west: for a few days before, stay up a little later, and get afternoon and evening light at your destination.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Good to know: Mexico
- Currency
- Mexican Peso (MXN)
- Language
- Spanish
- Sockets
- Type A, B · 127 V
- Traffic
- Drives on the right
- Dialling code
- +52
- Emergency number
- 911
UK plugs need a travel adapter
Only 127 V: chargers marked 100–240 V work, other devices need a voltage converter.
Sources: GeoNames (CC BY 4.0) and Wikidata (CC0). Please check details before you travel.
Compare & alternatives
Compare with another place
Piedras Negras compared
Put Piedras Negras side by side with another destination.
Piedras Negras vs Nuevo Laredo
In October Piedras Negras has the better holiday weather (score 67 vs 58). During the day Nuevo Laredo is 2 °C warmer than Piedras Negras.
| in October | Piedras Negras | Nuevo Laredo |
|---|---|---|
| Holiday weather score | 67 | 58 |
| Daytime high | 30° | 32° |
| Sunshine | 6 h | 6 h |
| Rainy days | 6 | 5 |
| Best time | Nov – Mar | Nov – Mar |
Through the year
Best places in the country
Mexico in October: the best places
In October, Piedras Negras ranks 21 among the 31 nearest destinations in this country.
- Durango26°98
- 2Guaymas32°28°95
- 3Saltillo25°93
- 4Chihuahua City27°93
- 5Aguascalientes City26°92
- 6León de Los Aldama27°91
- 7Zacatecas20°89
- 8San Miguel de Allende26°89
- 21Piedras NegrasThis page30°67
Places nearby
Near Piedras Negras
Other destinations close by.
Places with a similar climate
Places with a climate like Piedras Negras
Destinations whose weather through the year is closest to Piedras Negras's – good alternatives.
Frequently asked questions about Piedras Negras
When is the best time to visit Piedras Negras?
The best time to visit Piedras Negras is from November to March. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
What is the warmest month in Piedras Negras?
August is the warmest month, with average highs of 38 °C and nights around 26 °C. January is the coolest month at 20 °C.
When does it rain most in Piedras Negras?
The wettest month is May with 73 mm of precipitation. The driest month is December with 20 mm.
How many hours of sunshine does Piedras Negras get?
Piedras Negras gets around 2,540 hours of sunshine a year. The sunniest month is July with 9.3 hours a day; in November there are 5.5 hours a day.
What time zone is Piedras Negras in?
Piedras Negras is on UTC−6 in January and UTC−5 in July.
How long is the flight from London to Piedras Negras?
A nonstop flight from London to Piedras Negras takes about 10 h 25 min, for a straight-line distance of about 8,200 km.
Which school holidays are best for Piedras Negras?
Piedras Negras has its best school-holiday weather during the Christmas holidays (score 89) and its weakest during May half-term (score 37). Holiday ratings (0–100): Easter holidays 68, May half-term 37, summer holidays 48, October half-term 67, Christmas holidays 89.