Average Weather in Lajas Blancas Panama
In Lajas Blancas, the summers are short and hot; the winters are long, warm, and wet; and it is oppressive and overcast year round. Over the course of the year, the temperature typically varies from 74°F to 92°F and is rarely below 72°F or above 95°F.
Based on the beach/pool score, the best time of year to visit Lajas Blancas for hot-weather activities is from mid December to early March.
The hot season lasts for 1.9 months, from February 20 to April 16, with an average daily high temperature above 90°F. The hottest day of the year is March 19, with an average high of 92°F and low of 76°F.
The cool season lasts for 7.0 months, from May 30 to December 31, with an average daily high temperature below 85°F. The coldest day of the year is January 21, with an average low of 74°F and high of 86°F.
Average High and Low Temperature
The figure below shows you a compact characterization of the entire year of hourly average temperatures. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.
Average Hourly Temperature
In Lajas Blancas, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year.
The clearer part of the year in Lajas Blancas begins around December 2 and lasts for 4.2 months, ending around April 8. On January 13, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 46% of the time, and overcast or mostly cloudy 54% of the time.
The cloudier part of the year begins around April 8 and lasts for 7.8 months, ending around December 2. On August 21, the cloudiest day of the year, the sky is overcast or mostly cloudy 96% of the time, and clear, mostly clear, or partly cloudy 4% of the time.
Cloud Cover Categories
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days in Lajas Blancas varies significantly throughout the year.
The wetter season lasts 8.2 months, from April 13 to December 18, with a greater than 30% chance of a given day being a wet day. The chance of a wet day peaks at 51% on November 8.
The drier season lasts 3.8 months, from December 18 to April 13. The smallest chance of a wet day is 9% on January 23.
Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 51% on November 8.
Daily Chance of Precipitation
To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. Lajas Blancas experiences extreme seasonal variation in monthly rainfall.
Rain falls throughout the year in Lajas Blancas. The most rain falls during the 31 days centered around October 31, with an average total accumulation of 7.7 inches.
The least rain falls around February 13, with an average total accumulation of 0.7 inches.
Average Monthly Rainfall
The length of the day in Lajas Blancas does not vary substantially over the course of the year, staying within 36 minutes of 12 hours throughout. In 2019, the shortest day is December 21, with 11 hours, 38 minutes of daylight; the longest day is June 21, with 12 hours, 37 minutes of daylight.
Hours of Daylight and Twilight
The earliest sunrise is at 5:51 AM on May 27, and the latest sunrise is 40 minutes later at 6:31 AM on January 30. The earliest sunset is at 5:47 PM on November 14, and the latest sunset is 46 minutes later at 6:34 PM on July 14.
Daylight saving time (DST) is not observed in Lajas Blancas during 2019.
Sunrise & Sunset with Twilight
We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.
The perceived humidity level in Lajas Blancas, as measured by the percentage of time in which the humidity comfort level is muggy, oppressive, or miserable, does not vary significantly over the course of the year, staying within 1% of 99% throughout.
Humidity Comfort Levels
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.
The average hourly wind speed in Lajas Blancas experiences significant seasonal variation over the course of the year.
The windier part of the year lasts for 3.9 months, from December 26 to April 21, with average wind speeds of more than 5.0 miles per hour. The windiest day of the year is February 27, with an average hourly wind speed of 6.6 miles per hour.
The calmer time of year lasts for 8.1 months, from April 21 to December 26. The calmest day of the year is July 10, with an average hourly wind speed of 3.3 miles per hour.
Average Wind Speed
The predominant average hourly wind direction in Lajas Blancas varies throughout the year.
The wind is most often from the west for 3.1 months, from August 9 to November 11, with a peak percentage of 49% on September 23. The wind is most often from the north for 8.9 months, from November 11 to August 9, with a peak percentage of 89% on January 1.
Lajas Blancas is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.
The average water temperature experiences some seasonal variation over the course of the year.
The time of year with warmer water lasts for 5.2 months, from May 13 to October 19, with an average temperature above 83°F. The day of the year with the warmest water is June 18, with an average temperature of 84°F.
The time of year with cooler water lasts for 2.2 months, from January 31 to April 5, with an average temperature below 80°F. The day of the year with the coolest water is February 28, with an average temperature of 80°F.
Average Water Temperature
Best Time of Year to Visit
To characterize how pleasant the weather is in Lajas Blancas throughout the year, we compute two travel scores.
The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. Based on this score, the best time of year to visit Lajas Blancas for general outdoor tourist activities is from mid December to late February, with a peak score in the second week of January.
The beach/pool score favors clear, rainless days with perceived temperatures between 75°F and 90°F. Based on this score, the best time of year to visit Lajas Blancas for hot-weather activities is from mid December to early March, with a peak score in the second week of January.
For each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed.
Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies.
Our precipitation score, which is based on the three-hour precipitation centered on the hour in question, is 10 for no precipitation, falling linearly to 9 for trace precipitation, and to 0 for 0.04 inches of precipitation or more.
Our tourism temperature score is 0 for perceived temperatures below 50°F, rising linearly to 9 for 65°F, to 10 for 75°F, falling linearly to 9 for 80°F, and to 1 for 90°F or hotter.
Our beach/pool temperature score is 0 for perceived temperatures below 65°F, rising linearly to 9 for 75°F, to 10 for 82°F, falling linearly to 9 for 90°F, and to 1 for 100°F or hotter.
Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).
Temperatures in Lajas Blancas are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year.
Time Spent in Various Temperature Bands and the Growing Season
Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.
Growing Degree Days
This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.
The average daily incident shortwave solar energy experiences significant seasonal variation over the course of the year.
The brighter period of the year lasts for 2.9 months, from January 11 to April 9, with an average daily incident shortwave energy per square meter above 5.5 kWh. The brightest day of the year is March 7, with an average of 6.1 kWh.
The darker period of the year lasts for 5.8 months, from May 16 to November 8, with an average daily incident shortwave energy per square meter below 3.6 kWh. The darkest day of the year is June 27, with an average of 2.9 kWh.
Average Daily Incident Shortwave Solar Energy
For the purposes of this report, the geographical coordinates of Lajas Blancas are 8.415 deg latitude, -77.812 deg longitude, and 108 ft elevation.
The topography within 2 miles of Lajas Blancas contains only modest variations in elevation, with a maximum elevation change of 154 feet and an average elevation above sea level of 99 feet. Within 10 miles contains only modest variations in elevation (1,864 feet). Within 50 miles contains very significant variations in elevation (6,148 feet).
The area within 2 miles of Lajas Blancas is covered by trees (76%) and cropland (23%), within 10 miles by trees (74%) and cropland (21%), and within 50 miles by trees (47%) and water (34%).
This report illustrates the typical weather in Lajas Blancas, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.
Lajas Blancas is further than 200 kilometers from the nearest reliable weather station, so the weather-related data on this page were taken entirely from NASA's MERRA-2 satellite-era reanalysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid.
The temperature and dew point estimates are corrected for the difference between the reference elevation of the MERRA-2 grid cell and the elevation of Lajas Blancas, according to the International Standard Atmosphere .
All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Tables of the Sun, Moon and Planets , by Jean Meeus.
Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations.
Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory.
Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .
Time zones for aiports and weather stations are provided by AskGeo.com .
Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC.
The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.
We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands.
We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader.