World Meteorological Organization
 Official Observations
 * Cloudiness & Rain
 
 Official Forecasts
 Select WMO Region
 * Africa 
 * Asia
 * Europe
 * N. & Central America
 * S. America
 * S.W. Pacific
 What's New
 * Seven language versions of MyWorldWeather app launched 
 * MyWorldWeather on Trial on Android Platform and with Multiple Language Support
 * WWIS Website Hitting One Billion Mark
 * Poland launched Polish version
 * MyWorldWeather - the mobile application of WWIS launched
 * Russia launched Russian version
 * Future version of WWIS launched
 * Italy launched Italian version
 * Germany launched German version
 * France launched French version
 * Spain launched Spanish version
 * New domain name for WWIS
 
 Related Web Sites
 *  WMO
 *  Severe Weather
 *  Tourism Information
 
 Other Languages
 *  Arabic Version
 *  Chinese Version
 *  Portuguese Version
 *  Spanish Version
 *  French Version
 *  German Version
 *  Italian Version
 *  Russian Version
 *  Polish Version
 About This Web Site
 Participating Members
 Weather Icons
 Introductory Pamphlet
 Nomination Form
 Search
 Contact
 Note to User
 Disclaimer
 Back to Main Page
This web site is operated
on behalf of WMO by

Hong Kong Observatory
of Hong Kong, China.
 
World Weather Information Service
Brazil
Instituto Nacional de Meteorologia
Instituto Nacional de Meteorologia
Weather Information for Rio Branco
  MAPMAP
Tourism Information:  Ministry of Tourism
Weather Forecast
Issued at 15:00  (Local time)  22 May  2013 
Date Temperature oC Weather
Minimum Maximum
23 May
( Thu ) 		20 32 FINE
FINE
24 May
( Fri ) 		20 32 SCATTERED SHOWERS
SCATTERED SHOWERS
25 May
( Sat ) 		21 30 SCATTERED SHOWERS
SCATTERED SHOWERS
>> Click here for temperatures in oF
 
Climatological Information
Month Mean Temperature oC Mean Total Rainfall (mm) Mean Number of Rain Days
Daily
Minimum		 Daily
Maximum
Jan 22.3 30.9 287.5 21
Feb 22.6 30.9 285.9 20
Mar 22.7 31.3 228.3 19
Apr 22.5 31.1 173.7 15
May 20.6 30.6 101.8 9
Jun 19.3 30.3 45.8 4
Jul 18.5 31.3 42.1 4
Aug 19.2 32.6 40.4 5
Sep 20.9 32.8 96.4 7
Oct 21.6 32.6 171.6 12
Nov 21.9 31.9 206.2 16
Dec 22.2 31.2 263.5 19
>> Click here for temperatures in oF

Remarks:
* Climatological information is based on monthly averages for the 30-year period 1961-1990.
* Mean number of rain days = Mean number of days with at least 0.1 mm of rain.
* Attention: Please note that the averaging period for climatological information and the definition of "Mean Number of Precipitation/Rain Days" quoted in this web site may be different for different countries. Hence, care should be taken when city climatologies are compared.