Rio de Janeiro, Brazil
- Population: 6,211,223 (Municipality of Rio de Janeiro, 2022 census)
- Climate: no data. No weather station in the city has published 1991-2020 normals.
- Most daylight: December, 13 h 32 min (15th of each month, 2026)
- Least daylight: June, 10 h 44 min (15th of each month, 2026)
Warmest, coldest, wettest, most and least daylight: the highest or lowest of the 12 monthly values.
Last updated : first sourced version.
Month by month
No month pages: no climate data for this city. No weather station in the city has published 1991-2020 normals.
Facts
| Fact | Value and source |
|---|---|
| Country | Brazil Source: GeoNames dump, checked |
| Population | 6,211,223 (Municipality of Rio de Janeiro, 2022 census) Source: IBGE, checked |
| Area | 1,200.329 km² (Municipality of Rio de Janeiro, 2022) Source: IBGE, checked |
| Coordinates | 22.9111° S, 43.2056° W rounded to four decimal places Source: Wikidata Query Service, checked |
| Time zone | America/Sao_Paulo Source: GeoNames dump, checked |
| Languages | Portuguese (official) Source: Constitution of Brazil, art. 13, checked |
| Currency | Brazilian Real (BRL) list dated 17 September 2026 Source: ISO 4217 list one (SIX Group), checked |
Climate by month
- High
- no data
- Low
- no data
- Rain
- no data
- Sunshine
- no data
Climate: no data. No weather station in the city has published 1991-2020 normals.
Looked at: WMO collection of climate normals, checked .
Daylight by month
| Month | Sunrise | Sunset | Day length |
|---|---|---|---|
| Jan | 05:21 | 18:44 | 13 h 23 min |
| Feb | 05:41 | 18:32 | 12 h 51 min |
| Mar | 05:55 | 18:08 | 12 h 14 min |
| Apr | 06:06 | 17:39 | 11 h 33 min |
| May | 06:19 | 17:20 | 11 h 01 min |
| Jun | 06:31 | 17:15 | 10 h 44 min |
| Jul | 06:33 | 17:25 | 10 h 51 min |
| Aug | 06:18 | 17:37 | 11 h 19 min |
| Sep | 05:49 | 17:47 | 11 h 57 min |
| Oct | 05:20 | 17:57 | 12 h 37 min |
| Nov | 05:01 | 18:14 | 13 h 13 min |
| Dec | 05:02 | 18:34 | 13 h 32 min |
Sunrise and sunset computed with the NOAA Solar Calculator equations, to the minute, for the 15th of each month, 2026. Day length in hours and minutes. How we compute this
Source: NOAA Solar Calculator equations, checked .
Airports
| IATA code | Airport | Type | Distance, km |
|---|---|---|---|
| SDU | Santos Dumont Airport | large airport | 4 |
| GIG | Rio de Janeiro Galeão – Tom Jobim International Airport | large airport | 12 |
Source: OurAirports airports.csv, checked .
Public holidays
| Date | Holiday |
|---|---|
| Thursday | Universal Fraternization Day Source |
| Tuesday | Feriado de São Sebastião no Município do Rio de Janeiro (Rio de Janeiro city holiday) |
| Tuesday | Carnival (Rio de Janeiro state holiday) Source |
| Friday | Good Friday Source |
| Tuesday | Tiradentes' Day Source |
| Thursday | Saint George's Day (Rio de Janeiro state holiday) |
| Friday | Worker's Day Source |
| Thursday | Corpus Christi (Rio de Janeiro state holiday) |
| Monday | Independence Day Source |
| Monday | Our Lady of Aparecida Source |
| Monday | All Souls' Day Source |
| Sunday | Republic Proclamation Day Source |
| Friday | National Day of Zumbi and Black Awareness Source |
| Friday | Christmas Day Source |
Typed from the official list and re-checked, .
2027: no data. No official 2027 list found.
English names are from the holidays library where the official list gives none. How we compute this
Source: Official public holiday list (tjrj.jus.br), checked ; holidays Python library, checked . Library: holidays 0.105.
Other cities
In Brazil
none
All cities
Sources
- Wikidata Query Service, Wikimedia Foundation. Attribution: Wikidata. Licence: CC0 1.0. Checked .
- GeoNames dump (cities15000, countryInfo), GeoNames. Attribution: GeoNames, https://www.geonames.org/. Licence: CC BY 4.0. Checked .
- OurAirports airports.csv, OurAirports (David Megginson). Attribution: OurAirports. Licence: Public domain. Checked .
- WMO Climatological Standard Normals for 1991-2020 (NCEI Accession 0253808), WMO Member Nations (each national weather service's own submission); archived by NOAA National Centers for Environmental Information. Attribution: WMO Member Nations (2023). WMO Climatological Standard Normals for 1991-2020 (NCEI Accession 0253808). Station files named in each record. NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.25921/800j-vn07. Accessed on the check date shown. Licence: No licence stated. Published by NOAA NCEI for WMO; citation requested. Checked .
- NOAA Solar Calculator equations, computed locally, NOAA Global Monitoring Laboratory (method); City by Month (computation). Attribution: Computed with the NOAA Solar Calculator method (no NOAA endorsement implied). Licence: Method, not data. Checked .
- holidays Python library, run locally, Vacanza team. Attribution: holidays library, Vacanza team. Licence: MIT. Checked .
Official sources
- Constitution of Brazil, art. 13. Checked .
- IBGE. Checked .
- ISO 4217 list one (SIX Group). Checked .
- Official public holiday list (tjrj.jus.br). Checked .
Cite this page: City by Month. "Rio de Janeiro, Brazil: facts and climate by month". https://citybymonth.com/cities/brazil/rio-de-janeiro/. Last updated 2 October 2026.