Massawa Weather Records (ER000063023)

Record envelope, standing records and threshold days for Massawa (ER000063023), Eritrea, with 41 years of record.

Key Facts for Massawa

Massawa (ER000063023) is a weather station in Eritrea at 15.62 latitude and 39.45 longitude, 10 m (33 ft) above sea level.
The station reports from 1947 to 1987, 41 years of record.
1,464 records set at Massawa still stand.
Records are tracked for tmax, tmin: an element needs 30 years of data to be eligible.
Massawa set a daily record high minimum temperature of 25.7 C (78.3 F) on 30 December 1987.

About the Station

Location: Eritrea, 15.62 latitude, 39.45 longitude.
Elevation: 10 m (33 ft).
Period of record: 1947 to 1987, 41 years.
Eligible elements: tmax, tmin.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Massawa. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Massawa, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	37.0 C (98.6 F)	9.6 C (49.3 F)	n/a	n/a
Feb	39.3 C (102.7 F)	10.0 C (50.0 F)	n/a	n/a
Mar	40.0 C (104.0 F)	10.0 C (50.0 F)	n/a	n/a
Apr	45.0 C (113.0 F)	12.8 C (55.0 F)	n/a	n/a
May	45.2 C (113.4 F)	13.3 C (55.9 F)	n/a	n/a
Jun	46.4 C (115.5 F)	15.0 C (59.0 F)	n/a	n/a
Jul	47.2 C (117.0 F)	15.0 C (59.0 F)	n/a	n/a
Aug	48.0 C (118.4 F)	14.3 C (57.7 F)	n/a	n/a
Sep	45.0 C (113.0 F)	17.5 C (63.5 F)	n/a	n/a
Oct	42.8 C (109.0 F)	13.6 C (56.5 F)	n/a	n/a
Nov	40.0 C (104.0 F)	13.3 C (55.9 F)	n/a	n/a
Dec	39.4 C (102.9 F)	11.5 C (52.7 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Massawa still stand. 1947 holds the most, with 175.

Standing records at Massawa by the year they were set
Year set	Standing records
1947	175
1948	42
1949	86
1950	9
1951	35
1952	20
1953	44
1954	37
1955	30
1956	88
1957	29
1958	48
1959	22
1960	38
1961	29
1962	37
1963	21
1964	14
1965	15
1966	16
1967	31
1968	19
1969	44
1970	35
1971	67
1972	28
1973	34
1974	45
1975	60
1976	49
1977	32
1979	66
1982	25
1983	29
1984	8
1985	9
1987	48

Period of Record Coverage

1947 to 1987

37 years of record at Massawa, 1947 to 1987. 6 years have data for under 90 percent of days and are left out of rankings: 1950, 1952, 1953, 1959, 1977, 1985.

Days with data per year at Massawa
Year	Days with data	Share of year	Complete
1947	339	93%	Yes
1948	357	98%	Yes
1949	363	99%	Yes
1950	61	17%	No
1951	336	92%	Yes
1952	300	82%	No
1953	317	87%	No
1954	357	98%	Yes
1955	365	100%	Yes
1956	364	99%	Yes
1957	365	100%	Yes
1958	357	98%	Yes
1959	297	81%	No
1960	356	97%	Yes
1961	365	100%	Yes
1962	365	100%	Yes
1963	365	100%	Yes
1964	330	90%	Yes
1965	363	99%	Yes
1966	365	100%	Yes
1967	365	100%	Yes
1968	364	99%	Yes
1969	365	100%	Yes
1970	365	100%	Yes
1971	364	100%	Yes
1972	366	100%	Yes
1973	365	100%	Yes
1974	365	100%	Yes
1975	365	100%	Yes
1976	366	100%	Yes
1977	303	83%	No
1979	364	100%	Yes
1982	329	90%	Yes
1983	365	100%	Yes
1984	355	97%	Yes
1985	312	85%	No
1987	365	100%	Yes

Latest Records

Latest records at Massawa
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 December 1987	Massawa, ER	daily high min	25.7 C (78.3 F)	0.7 C (1.3 F)	29 years	13 of 100 (Routine)
29 December 1987	Massawa, ER	daily high min	25.4 C (77.7 F)	1.3 C (2.3 F)	8 years	9 of 100 (Routine)
28 December 1987	Massawa, ER	daily high min	24.3 C (75.7 F)	0.3 C (0.5 F)	8 years	6 of 100 (Routine)
27 December 1987	Massawa, ER	daily high min (Tie)	25.0 C (77.0 F)	tie	29 years	3 of 100 (Routine)
24 December 1987	Massawa, ER	daily high min	25.6 C (78.1 F)	0.7 C (1.3 F)	4 years	6 of 100 (Routine)
20 December 1987	Massawa, ER	daily high min	25.5 C (77.9 F)	0.9 C (1.6 F)	4 years	7 of 100 (Routine)
17 December 1987	Massawa, ER	daily high max	34.5 C (94.1 F)	0.6 C (1.1 F)	28 years	15 of 100 (Routine)
12 December 1987	Massawa, ER	daily high max	33.5 C (92.3 F)	1.0 C (1.8 F)	8 years	11 of 100 (Routine)
25 November 1987	Massawa, ER	daily low min	13.8 C (56.8 F)	2.5 C (4.5 F)	16 years	14 of 100 (Routine)
24 November 1987	Massawa, ER	daily low min	15.7 C (60.3 F)	0.4 C (0.7 F)	12 years	8 of 100 (Routine)
22 November 1987	Massawa, ER	daily low min	15.1 C (59.2 F)	0.9 C (1.6 F)	12 years	9 of 100 (Routine)
21 November 1987	Massawa, ER	daily low min	15.0 C (59.0 F)	1.5 C (2.7 F)	12 years	11 of 100 (Routine)
21 November 1987	Massawa, ER	daily high max	34.7 C (94.5 F)	0.3 C (0.5 F)	12 years	8 of 100 (Routine)
20 November 1987	Massawa, ER	daily low min	14.9 C (58.8 F)	0.5 C (0.9 F)	16 years	10 of 100 (Routine)
19 November 1987	Massawa, ER	daily low min	15.5 C (59.9 F)	0.5 C (0.9 F)	18 years	10 of 100 (Routine)
18 November 1987	Massawa, ER	daily low min	15.1 C (59.2 F)	0.4 C (0.7 F)	17 years	10 of 100 (Routine)
17 November 1987	Massawa, ER	daily low min	15.1 C (59.2 F)	1.1 C (2.0 F)	16 years	12 of 100 (Routine)
16 November 1987	Massawa, ER	daily low min	15.3 C (59.5 F)	1.3 C (2.3 F)	16 years	12 of 100 (Routine)
17 October 1987	Massawa, ER	daily high max	38.0 C (100.4 F)	1.3 C (2.3 F)	9 years	14 of 100 (Routine)
19 September 1987	Massawa, ER	daily low min	20.5 C (68.9 F)	0.5 C (0.9 F)	16 years	10 of 100 (Routine)

Climate Trend

24 complete years, 1947 to 1987

One stripe for each of 24 complete years at Massawa, 1947 to 1987. Blue stripes are years cooler than the station's own mean of 28.8 C (83.8 F); red stripes are warmer. The coolest year was 1956, at 26.1 C (79.0 F), and the warmest was 1979, at 31.2 C (88.1 F). The strongest colour marks a difference of 2.7 C (4.9 F).

Annual mean temperature at Massawa as warming stripes, 1947 to 1987
Year	Annual mean temperature	Difference from the station mean
1947	31.1 C	+2.27 C
1949	29.6 C	+0.83 C
1954	26.9 C	-1.86 C
1955	26.4 C	-2.39 C
1956	26.1 C	-2.66 C
1958	31.1 C	+2.31 C
1960	30.9 C	+2.08 C
1962	30.8 C	+1.98 C
1963	30.7 C	+1.95 C
1965	30.0 C	+1.18 C
1966	30.5 C	+1.72 C
1967	30.1 C	+1.35 C
1969	27.5 C	-1.26 C
1970	28.6 C	-0.22 C
1971	26.6 C	-2.15 C
1972	27.3 C	-1.52 C
1973	27.3 C	-1.52 C
1974	27.1 C	-1.70 C
1975	27.0 C	-1.74 C
1976	27.3 C	-1.48 C
1979	31.2 C	+2.41 C
1983	30.0 C	+1.24 C
1984	29.4 C	+0.57 C
1987	27.3 C	-1.48 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1947 to 1987

Yearly extremes at Massawa: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	48.0 C (118.4 F)	1960	45.0 C (113.0 F)	37
Coldest night (TNn)	9.6 C (49.3 F)	1976	15.2 C (59.4 F)	37

Hottest day (TXx)

The hottest day of the year at Massawa, 1947 to 1987. The record is 48.0 C (118.4 F) in 1960, marked on the chart; the median year is 45.0 C (113.0 F).

Hottest day (TXx) at Massawa by year
Year	Hottest day (TXx)
1947	44.0 C (111.2 F)
1948	47.2 C (117.0 F)
1949	41.7 C (107.1 F)
1950	34.4 C (93.9 F)
1951	43.3 C (109.9 F)
1952	43.3 C (109.9 F)
1953	41.7 C (107.1 F)
1954	42.8 C (109.0 F)
1955	42.8 C (109.0 F)
1956	42.8 C (109.0 F)
1957	43.9 C (111.0 F)
1958	47.2 C (117.0 F)
1959	45.0 C (113.0 F)
1960	48.0 C (118.4 F)
1961	45.2 C (113.4 F)
1962	45.5 C (113.9 F)
1963	46.3 C (115.3 F)
1964	44.3 C (111.7 F)
1965	45.0 C (113.0 F)
1966	46.7 C (116.1 F)
1967	45.0 C (113.0 F)
1968	44.0 C (111.2 F)
1969	46.0 C (114.8 F)
1970	44.4 C (111.9 F)
1971	44.6 C (112.3 F)
1972	45.5 C (113.9 F)
1973	45.6 C (114.1 F)
1974	44.2 C (111.6 F)
1975	44.6 C (112.3 F)
1976	46.4 C (115.5 F)
1977	47.4 C (117.3 F)
1979	45.5 C (113.9 F)
1982	44.6 C (112.3 F)
1983	45.7 C (114.3 F)
1984	45.2 C (113.4 F)
1985	44.0 C (111.2 F)
1987	45.8 C (114.4 F)

Coldest night (TNn)

The coldest night of the year at Massawa, 1947 to 1987. The record is 9.6 C (49.3 F) in 1976, marked on the chart; the median year is 15.2 C (59.4 F).

Coldest night (TNn) at Massawa by year
Year	Coldest night (TNn)
1947	19.0 C (66.2 F)
1948	12.8 C (55.0 F)
1949	20.0 C (68.0 F)
1950	19.4 C (66.9 F)
1951	18.3 C (64.9 F)
1952	20.0 C (68.0 F)
1953	14.4 C (57.9 F)
1954	13.3 C (55.9 F)
1955	12.2 C (54.0 F)
1956	11.7 C (53.1 F)
1957	11.1 C (52.0 F)
1958	20.0 C (68.0 F)
1959	18.9 C (66.0 F)
1960	20.0 C (68.0 F)
1961	17.8 C (64.0 F)
1962	19.2 C (66.6 F)
1963	17.9 C (64.2 F)
1964	19.4 C (66.9 F)
1965	18.4 C (65.1 F)
1966	19.0 C (66.2 F)
1967	19.4 C (66.9 F)
1968	15.0 C (59.0 F)
1969	10.0 C (50.0 F)
1970	10.0 C (50.0 F)
1971	11.5 C (52.7 F)
1972	13.5 C (56.3 F)
1973	11.5 C (52.7 F)
1974	12.4 C (54.3 F)
1975	10.0 C (50.0 F)
1976	9.6 C (49.3 F)
1977	10.4 C (50.7 F)
1979	15.2 C (59.4 F)
1982	14.6 C (58.3 F)
1983	15.5 C (59.9 F)
1984	17.9 C (64.2 F)
1985	15.9 C (60.6 F)
1987	11.6 C (52.9 F)

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Download the Data

Data for Massawa standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Massawa threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-16 (16 October 2026). Records are computed by this site and are not official.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).