Rio Negro, Argentina Weather

Rio Negro,  Weather
(Photo by Sasha • Stories on Unsplash)

Current conditions

Updated:
19°C
66.2°F
°C °F

Condition: Overcast

Pressure: 989 hPa

Feel like: 18 °C

Temperature: 19°C

Cloud: 83%

Humidity: 68%

Wind: NW - 8 km/h

Visibility: 24.14 km

Weather forecast

Mon
16 Mar
15°C / 26°C
Slight Rain Showers
Tue
17 Mar
12°C / 22°C
Slight Rain Showers
Wed
18 Mar
13°C / 27°C
Mainly Clear
Thu
19 Mar
17°C / 24°C
Overcast
Fri
20 Mar
17°C / 25°C
Overcast
Hourly forecast today:
05:00 AM
13° / 19°
13° / 19°
Overcast
68% 13 km/h
06:00 AM
13° / 18°
13° / 18°
Overcast
74% 14 km/h
07:00 AM
13° / 18°
13° / 18°
Overcast
74% 14 km/h
08:00 AM
12° / 17°
12° / 17°
Partly Cloudy
70% 15 km/h
09:00 AM
9° / 17°
9° / 17°
Overcast
58% 19 km/h
10:00 AM
8° / 17°
8° / 17°
Slight Rain
55% 29 km/h
11:00 AM
9° / 17°
9° / 17°
Slight Rain
59% 29 km/h
12:00 PM
9° / 17°
9° / 17°
Slight Rain
60% 22 km/h
13:00 PM
9° / 18°
9° / 18°
Overcast
57% 22 km/h
14:00 PM
9° / 19°
9° / 19°
Overcast
52% 22 km/h
15:00 PM
9° / 21°
9° / 21°
Overcast
47% 24 km/h

30 Day Averages and Extremes

  • Average high 25.67°C
  • Average low 14.73°C
  • Hottest day 32°C (28 February 2026)
  • Coldest day 9°C (25 March 2026)
  • Average humidity 47.37%
  • Days with precipitation 20 days
  • Highest precipitation 48 mm (08 March 2026)

Yesterday's Data

  • Max: 25°C
  • Min: 11°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in Rio Negro over the next 12 hours

Temperature and possibility of rain in Rio Negro in the coming days

Rainfall in Rio Negro in the coming days

Rio Negro Climate Summary

Rio Negro features a Mid-latitude steppe (Köppen classification: BSk), with an average annual temperature of 17.14ºC (62.85ºF), which is about -1.1% lower than the national average for Argentina. Annually, the city experiences approximately 12.64 millimeters (0.5 inches) of rainfall, spread across 30.83 rainy days, accounting for 8.45% of the year.

Longitude -39.8829436
Latitude -65.2597963
Yearly high temperature 20.21ºC (68.38ºF)
Yearly low temperature 13.34ºC (56.01ºF)
Hottest month January 27.82ºC (82.08ºF)
Coldest month July 6.83ºC (44.29ºF)
Yearly precip 12.64mm (0.5in)
Days with rainfall 30.83 days (8.45%)
Driest month January (37.44%)
Wettest month April (49.26%)

Weather averages by month

Month High / Low (°C) Rain
January 27.82° / 19.52° 2.0 days
February 26.77° / 18.33° 2.09 days
March 24.36° / 17.32° 2.55 days
April 20.34° / 14.17° 3.0 days
May 16.5° / 11.17° 2.73 days
June 13.24° / 8.01° 2.91 days
July 12.3° / 6.83° 3.09 days
August 14.51° / 8.21° 2.09 days
September 16.87° / 10.16° 3.0 days
October 19.64° / 12.43° 2.82 days
November 23.78° / 15.81° 2.64 days
December 26.4° / 18.08° 1.91 days

Frequently asked questions

1. What is the hottest month in Rio Negro?

January has the highest average monthly temperature (daily mean of 27.82ºC) and July are the coolest (daily mean of 6.83ºC).

2. What should I wear in Rio Negro today?

For today's warm weather in Rio Negro, with temperatures between 20ºC to 23ºC (68.0ºF to 73.4ºF), you might consider wearing:
- Sun hat or cap
- Shorts or lightweight trousers
- T-shirt or short-sleeve blouse
- Light, breathable socks

Temperature

Early
11°C / 21°C
Morning
9°C / 17°C
Afternoon
9°C / 21°C
Evening
4°C / 22°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 437
  • CO 82
  • NH3 0
  • NO2 0
  • O3 60
  • PM10 2
  • PM25 2
  • SO2 0
  • CH4 1,310

Sunrise / Sunset

10:18
22:40