Country Overview For Eritrea
The climate in Eritrea is typically hot, dry desert strip along Red Sea coast; cooler and wetter in the central highlands (up to 61 cm of rainfall annually, heaviest June to September); semiarid in western hills and lowlands. The terrain: dominated by extension of Ethiopian north-south trending highlands, descending on the east to a coastal desert plain, on the northwest to hilly terrain and on the southwest to flat-to-rolling plains. For Asmara in January the daily average maximum temperatures is 31°C with the average minimum 22°C, while in June the average maximum is 38°C with a minimum of 29°C. The wettest month for Asmara is February with an average of 22.9mm of precipitation falling while the driest month is November with 0.0mm falling.
HISTORICAL MONTHLY AVERAGES FOR APRIL
The information presented below gives detailed historical monthly average weather conditions along with exceptional weather occurrences. To maintain relevance to current weather trends the displayed information has been calculated using data collected over the past two decades. The climate profile is taken from closest available data source to Aseb.
Temperature
Throughout the month of April daytime temperatures will generally reach highs of around 27°C that's about 81°F. At night the average minimum temperature drops down to around 13°C, that's 55°F.
In recent times the highest recorded temperature in April has been 32°C that's 90°F, with the lowest recorded temperature 7°C, about 44°F.
Relative Humidity
The average daily relative humidity for April is around 39%.
Heat Index
The Heat Index is a measure of how hot it feels when relative humidity is added to actual air temperature. From this a comfort level is calculated providing categories on how heat conditions might adversely affect someone.
Comfort Levels: Given average maximum temperatures and humidity levels generally you should not anticipate any discomfort from heat (see heat index for more information).
Precipitation
The average monthly amount of precipitation has been recorded at around 4 mm, that's 0 inches. Throughout the month you can expect to see rain or drizzle falling on 6 days of the month.
Estimated Hours of Sunshine per Day
We calculate sunshine hours per day using our past forecast data. For April expect the sun to shine for an average of 11 hours per day. This represents the average number of hours in the daytime that the sun is visible and not obscured by cloud e.g. the average number of hours the sun is actually out and shining. Note we calculate hours of sunshine per day using our past forecast data, not observation data, thus it is an estimate and not actual.
Wind
The average daily wind speed in April has been around 9 km/h, that’s the equivalent to about 6 mph, or 5 knots. In recent years the maximum sustained wind speed has reached 72 km/h, that’s the equivalent of around 45 mph, or 39 knots.
Fog
On average the month of April is not affected by foggy conditions.
SWIMMING AND WATER TEMPERATURE
The temperature of water an individual will feel comfortable in is very much personal preference. What feels unbearably cold to one person for a swim might be fine for another. We have created our own Swimming Water Temperature Index offering a guide to water temperature and comfort levels for swimming;
In April, for the nearest coastal location, the temperature of the sea averages around 28°C, that's 82° Fahrenheit. Our index indicates for swimming in this is considered very warm and would be enjoyed by all. With this temperature you can stay active in the water for extended periods of time without feeling uncomfortable.
YEARLY TRENDS: WEATHER AVERAGES & EXTREMES
The following charts show yearly weather trends with information on monthly weather averages and extremes.
Temperature
The chart below plots the average high and low temperature for each month of the year. It also shows the maximum and minimum recorded temperatures.
Precipitation Amount
The chart below plots the average monthly precipitation amount.
Rain days
The chart below plots the average number of days in any month that you can expect to see rain falling.
Wind Speed
The chart below plots the average daily wind speed you can expect for any month. It also shows the maximum recorded sustained wind speed for each month.