Laos Climate Guide to the Average Weather & Temperatures with Graphs Elucidating Sunshine and Rainfall Data & Information about Wind Speeds & Humidity:

Vientiane, Laos latitude & longitude; 17°57'N 102°34'E.
Altitude; 172 m (564 ft).
The average temperature in Laos is 26.5 °C (80 °F).
The range of average monthly temperatures is 6 °C.
The warmest average max/ high temperature is 34 °C (93 °F) in April.
The coolest average min/ low temperature is 17 °C (63 °F) in January & December.
Laos receives on average 1714 mm (67.5 in) of precipitation annually or 143 mm (5.6 in) each month.
On balance there are 111 days annually on which greater than 0.1 mm (0.004 in) of precipitation (rain, sleet, snow or hail) occurrs or 9 days on an average month.
The month with the driest weather is December when on balance 1 mm (0.0 in) of rain, sleet, hail or snow falls across 0 days.
The month with the wettest weather is September when on balance 399 mm (15.7 in) of rain, sleet, hail or snow falls across 15 days.
Mean relative humidity for an average year is recorded as 78.5% and on a monthly basis it ranges from 69% in March & April to 87% in August.
There is an average range of hours of sunshine in Laos of between 4.0 hours per day in June and 8.2 hours per day in November.
On balance there are 2420 sunshine hours annually and approximately 6.6 sunlight hours for each day.
On balance there are 0 days annually registering frost in Laos and in January there are on average 0 days with frost.

Laos Climate Graph (Metric | Imperial units)

Laos Climate Graph

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<div align="center"><img src="http://www.climatetemp.info/graph/vientiane_files/image001.gif" width="659" height="557"><br><a href="http://www.climatetemp.info/laos/">Laos Climate</a> graph contributed by climatetemp.info</div>

Laos Weather Averages

	Average Minimum Temperatures in Laos (°C)	Average Maximum Temperature in Laos (°C)	Laos Average Temperature (°C)	Average Sea Temp (°C)	Average Precipitation/ Rainfall (mm)	Wet Days (>0.1 mm)	Average Sunlight Hours/ Day	Relative Humidity (%)	Average Wind Speed in Laos (Beaufort)	Average Number of Days with Frost
Weather in Laos in January	17	29	23	-	51	2	7.7	75	1	0	Average Temperature in Laos in January
Weather in Laos in February	19	30	24.5	-	14	2	7.3	72	2	0	Average Temperature in Laos in February
Weather in Laos in March	23	33	28	-	25	4	6.9	69.0	1	0	Average Temperature in Laos in March
Weather in Laos in April	23	34	29	-	78	9	7.3	69	1	0	Average Temperature in Laos in April
Weather in Laos in May	24	33	29	-	209	16	6.3	80	2	0	Average Temperature in Laos in May
Weather in Laos in June	25	31	28	-	260	19	4.0	84	1	0	Average Temperature in Laos in June
Weather in Laos in July	25	31	28	-	259	17	5.1	85	1	0	Average Temperature in Laos in July
Weather in Laos in August	25	31	28	-	354	19	4.8	87	1	0	Average Temperature in Laos in August
Weather in Laos in September	24	31	28	-	399	15	5.8	86	1	0	Average Temperature in Laos in September
Weather in Laos in October	23	31	27	-	50	6	7.9	81	2	0	Average Temperature in Laos in October
Weather in Laos in November	20	30	25	-	14	2	8.2	78	1	0	Average Temperature in Laos in November
Weather in Laos in December	17	28	22.5	-	1	0	8.2	76	2	0	Average Temperature in Laos in December

Laos Climograph/ Climate Chart (imperial)

Laos Temperature Chart

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<div align="center"><img src="http://www.climatetemp.info/graph/vientiane_files/image002.gif" width="659" height="557"><br><a href="http://www.climatetemp.info/laos/">Laos Climate</a> graph contributed by climatetemp.info</div>

Laos Temperatures in Farenheit

	Average Minimum Temperatures in Laos (°F)	Average Maximum Temperature in Laos (°F)	Average Temperature (°F)	Average Sea Temp (°F)	Average Precipitation/ Rainfall (in)	Wet Days (>0.004 in)	Average Sunlight Hours/ Day	Relative Humidity (%)	Average Wind Speed (Beaufort)	Average Number of Days with Frost
Temperatures in Laos in January	63	84	73	-	2.0	2	7.7	75	1	0	Climate in Laos in January
Temperatures in Laos in February	66	86	76	-	0.6	2	7.3	72	2	0	Climate in Laos in February
Temperatures in Laos in March	73	91	82	-	1.0	4	6.9	69	1	0	Climate in Laos in March
Temperatures in Laos in April	73	93	83	-	3.1	9	7.3	69	1	0	Climate in Laos in April
Temperatures in Laos in May	75	91	83	-	8.2	16	6.3	80	2	0	Climate in Laos in May
Temperatures in Laos in June	77	88	82	-	10.2	19	4.0	84	1	0	Climate in Laos in June
Temperatures in Laos in July	77	88	82	-	10.2	17	5.1	85	1	0	Climate in Laos in July
Temperatures in Laos in August	77	88	82	-	13.9	19	4.8	87	1	0	Climate in Laos in August
Temperatures in Laos in September	75	88	82	-	15.7	15	5.8	86	1	0	Climate in Laos in September
Temperatures in Laos in October	73	88	81	-	2.0	6	7.9	81	2	0	Climate in Laos in October
Temperatures in Laos in November	68	86	77	-	0.6	2	8.2	78	1	0	Climate in Laos in November
Temperatures in Laos in December	63	82	73	-	0.0	0	8.2	76	2	0	Climate in Laos in December

Figures for Vientiane, Laos. See also:

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